EI Adoption Termination

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    ADOPTION AND TERMINATION

    OF EMPLOYEE INVOLVEMENT PROGRAMS

    Running titleAdoption and Termination of EI Programs

    Wei Chi*

    Associate ProfessorTsinghua University

    Richard B. Freeman

    ProfessorHarvard University and NBER

    Morris M. Kleiner

    ProfessorUniversity of Minnesota and NBER

    Forthcoming in LABOUR 2011.

    Abstract

    Using an interview survey of manufacturing establishments that provide 10-years ofretrospective data on labor practices, we investigate factors associated with the adoption

    and termination of employee involvement programs and the relation between these and

    other human resource policies. In the period studied, more firms introduced than

    terminated such programs but a sufficiently large number chose to eliminate suchprograms to indicate that employee involvement does not fit in all business settings. Ourresults show that business strategy and the use of other complementary human resource

    policies affect the dynamics of EI use in U.S. manufacturing establishments.

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    Adoption and Termination of Employee Involvement Programs

    1. Introduction

    Employee involvement (EI) programsthe diverse set of personnel and human

    resource (HR) practices that increase workers authority at workplaces and in business

    decision making, such as total quality management, self-directed work teams, and

    workplace committeesare widely heralded innovations in the US. Impressed by these

    programs, the federal governments Commission on the Future of Worker-Management

    Relations recommended in its 1994 report that the government encourage EI programs to

    improve the quality of work life and productivity (Commission on the Future of Worker-

    Management Relations, 19931994).

    Most analyses of EI focus on the factors that lead firms to adopt EI policies and

    on the impact of EI on outcomes. Studies show that adoption of EI is more likely in

    competitive product markets among firms that respond to the market quickly and

    flexibly; use new technologies that require skilled workers; have business strategies that

    emphasize quality and innovation rather than low cost; and that adopt complementary HR

    practices, such as high levels of training and incentive compensation plans(Arthur, 1992;

    Osterman, 1994, 2000; Ichniowski and Shaw, 1995; Pil and MacDuffie, 1996; Dunlop

    and Weil, 1996; Gittleman, Horrigan, and Joyce, 1998, and Lynch, 2007). Other studies

    also show that EI promotes higher productivity, improves quality, raises customer

    satisfaction and sales, and reduces quits and improves worker satisfaction (Arthur, 1994;

    MacDuffie 1995; Huselid 1995; Banker et al 1996; Berg et al 1996; Dunlop and Weil

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    review indicates that EI is not a universal solution to the problems faced by a firm. Some

    studies report that EI has modest impacts on outcomes that may not justify the cost of

    these programs (Freeman and Kleiner, 2000; Cappelli and Neumark, 2001). Other

    studies emphasize that the effects differ because business strategy and other business

    characteristics and market factors are intermediaries in the relationship between EI and

    financial performance(Huselid, 1995; Youndt et al., 1996)

    Consistent with this analysis, there is a moderate rate of termination of EI

    programs, particularly for quality of work life and quality circles (Goodman, 1980;

    Rankin, 1986; Drago, 1988; Eaton, 1994). Eaton (1994) estimates a 20 percent failure

    rate for employee involvement practices in union establishments. Kleiner, Leonard, and

    Pilarski (2002) present evidence of firms abandoning poorly performing EI programs.

    Black and Lynch (2004a, 2004b) document that a substantial number of firms dropped or

    lowered the percentage of employees participating in job rotation, profit sharing, or self-

    managed teams between 1993 and 1996. Despite the failure of some EI programs, there

    is little quantitative analysis of the reasons for the termination of EI, and no analysis of

    decisions to introduce EI and to terminate EI in the same framework.

    This study uses detailed on-site interviews of managers and workers in 51

    manufacturing establishments on the history of their EI and related policies over ten years

    to treat the decisions together in the same analytic framework. Retrospective reports on

    10 years of EI programs allows us to create a pseudo-longitudinal data set to examine the

    years in which firms adopted or terminated EI programs and their relation to other human

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    firms to a long-term equilibrium of EI use in a way that can be applied to other studies of

    the timing of adoption and termination of human resource programs.

    2. Survey Design and Implementation

    To describe and analyze the dynamics of EI use, we gathered data on the labor

    relations practices of manufacturing establishments from 1986 to 1995, which covers the

    period when EI programs increased rapidly. We identified establishments from the

    Census of Manufacturers, which the U.S. Census Bureau has conducted every 5 years

    since 1967.1We obtained the name and address of establishments surveyed by the

    Census. We randomly selected establishments that had at least 50 employees at the time

    they were drawn from the Census of Manufacturers in 1993 and were located in the Mid-

    West to minimize travel costs. Some plants provided us with contact information of their

    affiliate plants that were outside the Mid-Western region of the U.S. To increase sample

    size, we contacted these affiliate plants as well, which provides us data on some

    establishments within the same firm that we use in the analysis. In total, we contacted

    111 plants, of whom fifty-one were willing to participate and allow researchers to visit

    the plant, collect administrative data, and interview management and labor. The response

    rate of 46 percent is higher than most mail or telephone surveys.

    We collected the data on the history of the adoption and termination of employee

    involvement and other labor and business practices through on-site visits in 1995-96 on

    the notion that on-site interviews would provide more accurate data thanphone or mail

    surveys The survey team interviewed general and human resource managers workers

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    turnover, number of employees, etc. The surveyor(s) asked the company representatives

    the questions and waited for the representatives to reach a consensus for each question

    before filling out the survey response. The survey team also collected documents about

    the business environment, technology, and production of the plants during the visits.

    The survey team asked whether the plant had adopted particular employee

    involvement programs and other human resource programs between 1986 and 1995, and

    if so, in which year. We then asked whether the program was still in use, and if not, the

    year the establishment terminated the program. The employee involvement practices

    covered were job rotation, suggestion systems, quality of work life, quality circles, total

    quality management, self-managed work teams, job redesign, joint labor-management

    committees, and employee representation on the board of directors. These policies focus

    on the workplace governance of the organization. In addition, the survey asked about the

    adoption and timing of selection and staffing policieswhether the company had a

    detailed screening process, personal interview, aptitude test, physical exam, reference

    check, and probationary period; trainingwhether the company offered on-the-job

    training, training in team building, on-site training, and tuition reimbursement;

    performance appraisal policieswhether the company used assessment centers, formal

    review sessions, and a standardized form to evaluate their employees periodically. The

    survey also asked about financial incentive programswhether the company had an

    individual incentive plan, employee stock ownership, cash or deferred profit sharing, gain

    sharing skill based pay employee stock purchase plan and group bonuses that should

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    niche, maximizing shareholder value of the firm, and short-term profit maximization. We

    chose these categories to reflect whether the firm had a short-term or long-term

    perspectives on the notion that plants with a long-term orientation, such as those seeking

    a larger market share or increasing shareholder value, would be more likely to use the EI

    practice than the plants with a short-term profit focus.2We asked the senior managers to

    rate the establishments emphasis on these strategies on a 1 to 5 scale with 1 indicating a

    little and 5 being a great deal. The senior manager and other managers also told us

    whether the plant had undergone major restructuring since 1986 and, if yes, the year, and

    number of times it had restructured; and whether the firm had changed the plant

    manager/production leader since 1986.

    The basic information on the plants included the year the plant was built, the

    number of employees in the plant, whether the company had union representation, and

    the average yearly turnover rate. The establishments were generally built in the 1950s

    and 1960s, with an average age of 37 years. Three plants in the sample were, however,

    built later than 1986 and thus could not provide data on practices and policies in some

    years. This reduced the total number of plant-year observations from 510 to 496. The

    plants had relatively large numbers of employees, with an average number of employees

    of around 1100; only 5 plants had fewer than 100 employees. Twenty-seven of the 51

    establishments had its production employees unionized. Eighteen plants are from seven

    multi-establishment companies, while the others are single-establishment. The

    establishments in the sample produce a wide range of products from foods and shoes to

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    During the interviews, we obtained considerable information about EI programs

    that goes beyond the data from the structured survey. Managers cited reasons like

    improving morale, changing technology, or just following the trend for adopting EI.

    During the 1990s employee involvement was one of the major fads in U.S. industry.

    One establishment in auto parts stated they had hired a consultant to review their

    production processes, and he recommended an employee involvement program, which

    they implemented. Others reported that new MBAs who had learned about EI in Human

    Resources classes had recommended these programs to management. Some managers

    also said their plant followed the leader. An aerospace company had heard about the

    success of an EI program in auto manufacturing and hired the HR Vice President away

    from the auto firm to implement EI in the aerospace company. Several managers said

    they had heard about firms greatly increasing productivity through employee

    involvement, and decided to adopt them.

    Our interviewees also told us about some of the challenges they encountered after

    introducing the EI, which in some cases led to the plant terminating EI policies. From the

    interviews these reasons seemed idiosyncratic to the establishment. In one unionized auto

    plant the union president wanted to negotiate the termination of EI because he thought it

    resulted in increased productivity with fewer employees but offered no job protection

    from management. A senior manager in aerospace observed that EI meetings take too

    much time away from the production line. Another auto parts manufacturing manager

    said it was too costly and didnt deliver on quality Overall the interview process

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    4. Trends in EI Use

    The definition of exactly what programs define an EI system or create an

    associated high-performance workplace is a fuzzy one. Some analysts include in their

    definition alternative work practices and job design that promote workers participation

    on the job, such as job rotation, teams, TQM, quality circles (Osterman, 1994, 2000).

    Others treat a broader set of HRM practices including selection, training, appraisal, and

    incentive compensation (Godard, 2004). We adopt the narrower definition of EI, and treat

    incentive pay, selection, training, and appraisal programs as other human resource

    management practices that may complement the EI policy. Specifically, we focus on the

    nine programs listed in Table 1, which are directly related to workplace governance

    issues3and use a terminology familiar to interviewed managers and workers. Since the

    specific programs listed are often used together and since there are terminological

    differences among respondents, there is invariably overlap among some of the programs

    which could be viewed as part of the same innovation. For example, if a company

    implements self-managed teams, it must involve some degree of job redesign; the

    company might report both innovations or one or the other, depending on how it

    introduced the changes.

    Table 1 reports the mean proportion and standard deviation of the nine EI

    programs among the establishments yearly from 1986 to 1995. The table shows an

    upward trend in EI use in our sample. In 1995 job rotation and joint committees were the

    most common programs Seventy five percent of the plants in the sample had job rotation

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    Worker participation on corporate boards is the least used policy. Note that the

    prevalence of some EI programs fell over the period. The percentage of establishments

    using quality circles dropped by 6 percentage points from 1986 to 1995. In addition, the

    table shows that the upward trend in EI use varies over time: there are periods when

    many establishments adopt programs, and periods when more are terminated.

    Table 2 shows the correlations in 1986-1995 among our EI policies and between

    them and three HR policies that are often associated with EI: selection, performance

    appraisal, and training. The EI programs are generally positively correlated with each

    other: the average of the correlation coefficients among them is 0.21, which suggests that

    while the programs are used together, plants pick and choose among them (or possibly

    use somewhat different terminologies). The EI programs are also moderately positively

    correlated with the training, selection, and performance appraisal: an average correlation

    coefficient of 0.13. Figure 1 aggregates the data on individual EI programs to display the

    number programs in use in 1995 and gives the number of other HR programs (which goes

    beyond the three examined in Table 2). This shows a substantial positive relation between

    other HR programs and EI programs with a correlation of 0.29.

    It is reasonable to expect that plants belonging to the same company adopt similar

    practices due to corporate level decisions or the greater ease of learning what works

    within a firm than learning what works in plants belonging to other firms. This suggests

    that EI practices are likely to be more similar within companies than across plants. A

    natural measure of similarity for vectors of 0/1 variables such as our list of EI practices

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    and plant 2 of the same company did not, the difference in job rotation would be one.

    Add up the differences across 9 EI programs for each year gives a measure of the

    difference in EI practices that varies between 0 and 9. The larger the number, the greater

    the differences between the plants. In the case when a multi-plant company has more

    than 2 plants, we calculate the number of differences in EI between all pairs of plants and

    take the average across all the pairs as our measure of the distance. For instance, in a

    company with 3 plants we would have average the 3 pairs; in a company with 4 plants,

    we would average the 6 pairs. For comparison with single-plant companies we calculate

    the average total number of differences across the 33 single-plant companies.

    Table 3 gives the results of these calculations. Using a t test, two of the seven

    multi-plant companies have significantly smaller within-company differences in the

    presence/absence of EI than do single-firm plants but two of the multi-plant companies

    have a significantly larger within-company differences. The remaining three show no

    significant differences compared in our measure than the average of the 33 single-

    company plants. Thus, these data do not support the view that the variation of EI among

    plants within a company is smaller than the variation of EI across plants in different

    companies. The implication is that introduction/termination of EI in our sample is largely

    a plant level decision rather than the result of corporate policy.

    Table 4 shows the number of plants with specified EI programs in the initial year

    1986 and the number of plants adopting or terminating programs each year to 1995. The

    numbers associated with individual programs in particular years show the number of

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    committee program. The figures giving total numbers of adoptions and terminations

    show that in most years some firms adopt programs while others terminated them.

    Consistent with the national trend in EI over the period, the number of EI policies in

    place increased from 134 in 1986 to 204 in 1995a 52 percent change. This change

    resulted from 112 additions of programs and 42 terminations. We also measure the

    dynamics of EI use in terms of the average number of years of EI use through 1995.

    These statistics, given in Table 5, show that plants that terminated an EI program had the

    program for at least 4 years. Those who kept the program had them for approximately 9

    years (which is the average duration across the programs) through 1995. Of our nine EI

    programs, self-managed work team and job redesign were adopted most recently, and

    thus have the shortest average durations in use in 1995.

    Figure 2 shows the percentage of plants using zero, one, or multiple EI policies in

    1986 and 1995 and the percentage of plants by number of EI policies that would have

    resulted in 1995 if firms chose their EI plans by random draws from an urn with a

    probability consistent with the observed number of programs in 1995. Specifically, in

    1995 the 51 firms had established 204 EI programs out of a possible 459 programs (= 51

    firms x 9 EI programs), giving the probability of a single program of 44.4%.4Between

    1986 and 1995 the percentage of plants with zero policies declined significantly. Given

    the relatively small sample size, the distributions are lumpy with concentrations of plants

    at 0, 1, and 3 in 1986 and with what an exceptionally large number of plants at 8 in 1995.

    The comparison of the actual distribution of firms by numbers of programs in 1995 with

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    that just 5% would have more than 7 programs. Similarly, in the actual distribution 26%

    of firms have 2 or fewer EI programs while the random model predicts 16%. This pattern

    suggests that the EI policies are complementary in the sense that firms either have a lot or

    a few relative to what they would be if the policies were independent.5

    Finally, while our analysis is limited to the 51 surveyed establishments, the

    pattern of growth of EI over time fits with results from nationally representative samples

    (Lynch 2007) to suggest that our findings on the dynamics of the EI introduction and

    termination may generalize outside of the sampled establishments.

    5. Measuring Intensity of EI

    Many studies measure the intensity of EI use by forming a summated rating of the

    intensity of specific EI programs using the particular scaling in the survey (Ichniowski

    and Shaw, 1995; Pil and MacDuffie, 1996). This treats each program the same. As an

    alternative procedure, we used the latent variable Rasch model from educational testing

    to form an index of employee involvement. In educational tests the Rasch model gives a

    bigger score to a correct answer on a problem where few students give the correct answer

    than to a correct answer on a problem that many students get right. Analogously, our

    Rasch index gives greater weight to policies that are relatively rare in forming an index of

    the establishments intensity of EI. The virtue of the Rasch model is that it weighs more

    heavily programs that are rare and thus potentially more indicative of the intensity of the

    firm's commitment to EI. Formally, we posit the probability that a plant with a certain

    program is a function of plant and EI policy characteristics:

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    specific policy depends on an establishments degree of EI use ( ) and the frequency

    level of an EI program ( ). The function is specified to have a logistic form, giving

    equation (2):

    (2)exp( )

    ( 1)1 exp( )

    i j

    ij

    i j

    P X

    , i, establishment,j, EI practice.

    We use maximum likelihood to estimate the establishment parameter ( ) and the

    EI policy parameter ( ).6The estimate of is our measure of EI use in plants. Its value

    ranges from 1 to 1. While conceptually preferable to a simple count of the number of EI

    programs that an establishment has, the Rasch measure is highly correlated with a

    summated rating count variable (r= 0.98).

    To examine the dynamics of adopting or terminating EI programs in a given year,

    we use a 0/1 dependent variable that measures whether or not the firm added at least one

    EI program between year tand year t+1; and whether or not the firm dropped at least one

    EI program between year tand year t+1. To assess how explanatory factors affected these

    decisions, we estimated the following models:

    (3) 1it it i t it A X , 1it it i t it T X ,

    whereAitis the measure of EI adoption in year t, and Titmeasures EI termination in year

    t;Xit-1are a set of time-varying explanatory variables lagged one year; and where i are

    individual plant dummy variables, which control for plant fixed effects, and t are year

    dummy variables. The two equations are estimated using the Least Square Dummy

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    Columns 1-4 of Table 6 reports the estimated coefficients and standard errors on

    variables in regressions of the level of EI use on the explanatory variables for pooled

    observations for all establishments and years. The odd-numbered regressions include

    variables measuring plant-specific time-invariant characteristics, such as union status or

    durable manufacturing. Since there may be other plant-specific variables impacting the

    adoption and termination decisions, the even-numbered regressions drop these time-

    invariant variables but include year and plant dummy variables to control for all observed

    and unobserved plant fixed effects. The odd-numbered regressions are embedded in the

    more general even-numbered models.

    The first two columns use our Rasch measure of EI as the dependent variable. To

    see whether the results are sensitive to the EI measure used, columns 3-4 estimate the

    model using the summated rating index of EI that give the same weight to different EI

    programs. This links our results to those in earlier studies that give each EI policy the

    same weight. The estimates in columns 1 and 3 show that companies with group bonus

    and gain-sharing and profit-sharing have higher EI use than companies without these

    programs. This is consistent with the notion that EI programs are complementary with

    these programs. In addition, individual incentive pay is also positively related to the

    extent of EI. Unionized firms and larger plants are less likely to have EI programs. The

    coefficients on the measures of management strategy show that firms that emphasized the

    growth of market share made greater use of EI than managements that emphasized other

    strategies The estimates in columns 2 and 4 which include plant dummy variables and

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    Columns 5 through 8 turn to the dynamics of the process. They give estimates of

    the determinants of adoption and termination of EI use. We expect variables to have

    opposite effects on adoption and termination. Factors that cause firms to adopt EI may

    also explain why the firms keep the policies and thus reduce the rate of termination. This

    is generally the case in these calculations. The estimated influence of the existing level of

    EI in the top line is significantly negative in the adoption equation and significantly

    positive in the termination equation. Comparing coefficients for other variables that are

    significant in at least one of the equations, the coefficients have opposite signs in 5 of 7

    cases. For instance, the column 6 estimates show that establishments that emphasize

    market growth are more likely to adopt EI while the column 8 estimates shows that

    emphasizing market growth reduces the likelihood of terminating a program. Firms

    seeking niches in the market are less likely to introduce EI programs in the adoption

    equation but more likely to terminate programs in the termination model.

    6. Markov Analysis

    The evidence in our sample that firms added and terminated EI programs in the

    decade under study indicates that they were involved in a dynamic adjustment process

    that had not settled down to some equilibrium mix of programs. With nine EI programs

    and just ten years of data, a time series regression model will not readily illuminate the

    dynamics of the adjustment process nor predict the possible equilibrium state to which

    the firms might be heading. As an alternative, we apply a Markov chain model to our

    data to exploit the longitudinal dynamics The Markov model assumes that a system is

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    instance, if a firm had no EI programs, the model might predict a 20% chance of moving

    to one program, a 30% chance of moving to two programs, a 5% chance of moving to

    three programs, and a 45% chance of maintaining the zero program status quo. A firm in

    the state of having three EI programs would have different transition probabilities,

    allowing for termination of some of those programs or adoption of other programs.

    The process is represented by a transition matrix that gives the probability that the

    firm changes the number of programs by adopting new ones or terminating existing ones

    in the next period, or that it maintains its current EI system. Traditional matrix algebra

    analysis of Markov models allows us to predict whether the EI use of the establishments

    converges to a steady-state distribution, and if so, the distribution of EI use among the

    establishments at the equilibrium.

    Table 7 gives the Markov matrix that we use to analyze the adoption and

    termination of EI programs. The elements of the matrix are obtained by averaging all

    transitions in the data, regardless of year. The averaging is simple. If five firms had three

    programs in year tand none changed their number of programs and five (possibly

    different) firms had three programs in year nand three of the firms increased their

    programs to four while two firms reduced them to two, our estimated transition matrix

    would have a probability of staying with three programs of 0.5, of increasing to four

    programs of 0.3, of decreasing to two programs of 0.2, and zero probability of other

    transitions. The table groups the eight and nine programs together because we have few

    observations for that part of the distribution9

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    over the period. As a measure of the distance between distributions, we take the sum of

    the absolute value of the difference between the proportions in different states.10

    In 1986,

    the actual distribution differed from the equilibrium distribution by 80 percentage points.

    By 1995, the sum of the absolute value in the differences between the distribution and the

    equilibrium distribution was just 16 percentage points. The model predicts that the

    distribution would reach the equilibrium by 2006. Thus, the adoption and termination

    process takes about 20 years to equilibrate, with much of the movement toward

    equilibrium occurring within 10 years. Examining longitudinal human resource policy

    data for the U.S. economy Lisa Lynch finds that manufacturing firms coalesce around a

    core set of policies in the mid-to late 1990s (Lynch, 2007).

    7. Conclusion

    Our analysis of 10-year retrospective data from on-site visits to establishments

    has found that even in a period of increasing EI use, many establishments terminate EI

    programs. On-site interviews with the plant managers, workers and union representatives

    suggested that the process of adopting and terminating EI is a trial-and-error process

    which has a lot of uncertainties. But beneath this pattern our data reveal empirical

    regularities. In our sample establishments were more likely to adopt EI programs and

    less likely to terminate them when they had other advanced human resource practices and

    when their business strategy emphasized growth of market shares. The factors that lead

    firms to terminate programs paralleled those that lead firms to introduce them, suggesting

    that both decisions reflected the aspects of the plants situation Moreover the

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    Notes

    1The Census of Manufactures asks all establishments in manufacturing (over 200,000

    plants) about thebusiness they conduct, geographic location, type of ownership, total

    revenue, payroll, and employees. The data are confidential and only available with anapplication to the Census.

    2The commonly used strategy categories in the literature are low cost, differentiation

    (such as innovation or quality and service) and focus strategies (Porter, 1980; Delery andDoty, 1996; Cabrera et al., 2003). The niche market strategy we asked is similar to the

    focus strategy.3They are consistent with theory and empirical approaches developed by Ichniowski

    and Shaw (1995), and Ichniowski , Shaw, and Prennushi, 1997).4An alternative calculation would use a multinomial which takes account of the

    difference in the frequency of each particular program.5We find a similar pattern if we examine the introduction or termination of plans.

    Plants introduce 5 or 6 policies at once in 7.5% of the cases when they adopt EIprograms, whereas if they adopted plants independently, they should almost never

    introduce 5-6 plans at once. Similarly, in 8% of terminations plants terminate 2 or moreprograms in 24% of the times they terminate 2 or more plants. Given the data in Table 4

    both patterns are highly unlikely.6We use the Quest computer software package to estimate the Rasch measure of EIsystem.

    7Estimates using probit and logit specifications showed similar results and are

    available from the authors.8The alternative would be to take each possible combination of EI practices as a

    possible state for the firm, but with nine different programs, there would be 512 (= 29)

    possible combinations, which is non-tractable with our data. Thus, rather than modeling

    the links between specific programs, we make the distribution of the number of programsthe target of analysis.

    9In fact, because we have so few observations on firms with eight policies, it turns out

    be an absorbing state, which is highly unlikely with additional observations.10

    This is a widely used measure of the difference between two distributions. Half of the

    sum of the absolute value of the differences gives the amount of change necessary for thetwo distributions to be the same.

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    Table 1.Means and standard deviations of the proportion of establishments with EI programs by year, 1986-1995

    Year (number of

    reporting plants)

    1986

    (n=48)

    1987

    (n=48)

    1988

    (n=48)

    1989

    (n=48)

    1990

    (n=49)

    1991

    (n=51)

    1992

    (n=51)

    1993

    (n=51)

    1994

    (n=51)

    1995

    (n=51)

    All years

    (n=496)

    Job Rotation 0.47

    (0.50)

    0.47

    (0.50)

    0.47

    (0.50)

    0.48

    (0.50)

    0.53

    (0.50)

    0.63

    (0.49)

    0.69

    (0.47)

    0.73

    (0.45)

    0.75

    (0.44)

    0.75

    (0.44)

    0.60

    (0.49)

    Suggestion System0.43

    (0.50)

    0.45

    (0.50)

    0.49

    (0.51)

    0.50

    (0.51)

    0.49

    (0.50)

    0.49

    (0.50)

    0.51

    (0.50)

    0.55

    (0.50)

    0.53

    (0.50)

    0.59

    (0.50)

    0.50

    (0.50)

    Quality of Work

    Life0.31

    (0.47)

    0.31

    (0.47)

    0.33

    (0.47)

    0.28

    (0.45)

    0.31

    (0.47)

    0.35

    (0.48)

    0.35

    (0.48)

    0.37

    (0.49)

    0.41

    (0.50)

    0.41

    (0.50)

    0.34

    (0.48)Quality Circles

    0.35(0.48)

    0.37(0.49)

    0.37(0.49)

    0.30(0.46)

    0.27(0.45)

    0.29(0.46)

    0.22(0.42)

    0.24(0.43)

    0.27(0.45)

    0.29(0.46)

    0.30(0.46)

    TQM0.35

    (0.48)0.37

    (0.49)0.37

    (0.49)0.32

    (0.47)0.33

    (0.48)0.45

    (0.50)0.43

    (0.50)0.41

    (0.50)0.43

    (0.50)0.47

    (0.50)0.39

    (0.49)

    Self-Managed

    Work Team 0.10(0.31)

    0.10(0.31)

    0.10(0.31)

    0.10(0.30)

    0.16(0.37)

    0.22(0.42)

    0.29(0.46)

    0.35(0.48)

    0.31(0.47)

    0.33(0.48)

    0.21(0.41)

    Job Redesign0.22

    (0.42)

    0.22

    (0.42)

    0.22

    (0.42)

    0.22

    (0.42)

    0.25

    (0.44)

    0.29

    (0.46)

    0.31

    (0.47)

    0.35

    (0.48)

    0.41

    (0.50)

    0.43

    (0.50)

    0.30

    (0.46)

    Joint Labor -

    Management

    Committee

    0.45

    (0.50)

    0.45

    (0.50)

    0.43

    (0.50)

    0.40

    (0.49)

    0.45

    (0.50)

    0.51

    (0.50)

    0.53

    (0.50)

    0.57

    (0.50)

    0.63

    (0.49)

    0.67

    (0.48)

    0.51

    (0.50)

    Employee

    Representationon Board of

    Directors

    0.06(0.24)

    0.06(0.24)

    0.06(0.24)

    0.06(0.24)

    0.08(0.27)

    0.08(0.27)

    0.06(0.24)

    0.06(0.24)

    0.06(0.24)

    0.06(0.24)

    0.06(0.24)

    Source: Interviews at 51 manufacturing establishments.

    Notes: standard deviations are in parentheses.

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    Table 2. Correlation coefficients for EI policies and those policies with selected HR practices, 1986-1995

    Job

    Rotation

    Suggestion

    System

    Quality

    of work

    Life

    Quality

    Circles

    TQM Self-

    Managed

    Work

    Team

    Job

    Redesign

    Joint Labor-

    Management

    Committee

    Employee

    Representation

    on Board of

    Directors

    Selection Performance

    Appraisal

    Suggestion

    System0.24*

    Quality of work

    Life0.34* 0.25*

    Quality Circles 0.02 0.27* 0.30*

    TQM 0.14* -0.01 0.41* 0.26*

    Self-ManagedWork Team

    0.18* 0.10* 0.46* 0.17* 0.39*

    Job Redesign 0.22* 0.08 0.38* 0.10* 0.42* 0.51*

    Joint Labor-

    Management

    Committee

    0.20* 0.20* 0.33* 0.26* 0.37* 0.22* 0.48*

    Employee

    Representation

    on Board ofDirectors

    -0.05 0.19* 0.26* 0.29* 0.09* 0.21* 0.12* 0.19*

    Selection -0.02 0.06 0.18* 0.11* 0.11* 0.12* 0.14* 0.22* 0.05

    Performance

    Appraisal0.10* -0.09* 0.20* 0.08 0.21* 0.08 0.29* 0.31* -0.13* 0.11*

    Training 0.25* 0.05 0.20* -0.01 0.13* 0.08 0.09* 0.26* 0.21* 0.36* 0.29*

    Source: Interviews at 51 manufacturing establishments.

    Notes: * indicates that the pair-wise correlation coefficient between the two variables is significant at the 5% level.

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    Table 3.Differences in EI use between multi-plant and single-plant companies using the metric of the number of practices that differsbetween establishments by year

    1986 1987 1988 1989 1990 1991 1992 1993 1994 1995

    Multi-plant companies

    1 (2 plants) 2.00 2.00 2.00 2.00 4.00 3.00 2.00

    2 (4 plants) 4.33 3.83 3.83 4.33 4.17 4.00 4.33 4.33 4.67 4.67

    3 (2 plants) 2.00 1.00 1.00 1.00 2.00 2.00 1.00 2.00 2.00 2.00

    4 (3 plants) 3.33 3.33 3.33 3.33 4.00 4.00 4.00 4.00 4.00 4.00

    5 (2 plants) 3.00 4.00 4.00 5.00 3.00 3.00

    6 (3 plants) 3.33 3.33 3.33 3.33 3.33 4.00 4.00 4.00 4.00 4.00

    7 (2 plants) 6.00 6.00 6.00 6.00 6.00 6.00 5.00 5.00 6.00 6.00

    Single-plant companies

    (33 plants)3.47 3.48 3.49 3.28 3.58 3.84 3.74 3.84 3.83 3.84

    Source: Interviews at 51 manufacturing establishments.

    Notes: the numbers indicate the total number of differences (in absolute values) in nine EIs between the plants belonging to the same company as

    well as among the single-plant companies. If the number of pairs for comparison is greater than 2, we calculate the average total number of

    differences. We test the differences between multi-plant and single-plant companies, such as multi-plant company 1, 2,,7 versus single plantcompanies. Two of the seven multi-plant companies have a significantly smaller within-company variance in EI than the variance across the

    single-plant companies; two have a significantly larger variance; the rest three are no different from single-plant companies.

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    Table 4. Number of establishments with specified EI programs and numbers adopting (+) or terminating (-) programs by year

    Adoption of Policy

    1986

    (left-

    censored) 1987 1988 1989 1990 1991 1992 1993 1994 1995

    Total

    Number at

    end

    Job Rotation 23 1 3 5,-1 4 2,-1 2 38

    Suggestion System 21 1 2,-1 2 -2 3 2,-2 1 3 30

    Quality of Work Life 15 1,-2 2 2,-1 1,-1 2 2 21

    Quality Circles 17 2,-1 -3 -2 1,-2 3,-4 1 2 1 15

    TQM 17 1 -2 -2 3 6,-2 1,-1 -1 2 2 24

    Self-Managed Work Team 5 -1 1 3 3, -1 5 3, -3 1 1 17

    Job Redesign 11 -1 1 2 2, -1 2 2 3 1 22

    Joint Labor-Management

    Committee 22 -1 -1 3 3, -1 2 2 3 2 34

    Employee Representation on

    Board of Directors 3 1 -1 3

    Total Number of Adoptions

    and Terminations (-)

    4,-2 3, -11 5,-4 18, -2 24, -14 18, -2 14, -7 16 10 112, -42

    Number of EI programs at the

    51 establishments 134 136 128 129 145 155 171 178 194 204

    Source: Interviews at 51 manufacturing establishments.

    Notes: The numbers associated with individual programs with minus signs give the number of firms in the specified period that terminatedprograms, while the positive numbers give the number that introduced the program.

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    Table 5.The duration of EI use before termination or by 1995

    The total number of

    adoptions

    ( - number of termination)

    The mean

    duration before

    termination(years)

    The mean duration by

    1995 if not terminated

    (years)

    Job Rotation 40(-2) 4 9.3

    Suggestion System 35(-5) 5 9.4

    Quality of Work Life 25(-4) 8.5 9.7

    Quality Circles 27(-12) 4.2 11.1

    TQM 32(-8) 6.5 7.3

    Self-Managed Work Team 22(-5) 8.3 4.6

    Job Redesign 24(-2) 10 5.7Joint Labor-Management

    Committee

    37(-3) 7.7 9.8

    Employee Representation on

    Board of Directors

    4(-1) 6 14

    Source: Interviews at 51 manufacturing establishments.Notes: The total number of adoptions is the sum of adoptions over time for each EI. Minus signs give the total number of terminations over time.

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    Table 7.Markov-Chain average transition matrix for the numbers of programs in year tto year t+1

    YEAR t YEAR t+1

    0 1 2 3 4 5 6 7 8&9

    0 0.821 0.09 0.014 0 0.026 0.038 0.014 0 0

    1 0.048 0.698 0.19 0.032 0.016 0 0 0.016 0

    2 0 0.034 0.793 0.103 0.034 0.034 0 0 0

    3 0 0 0.036 0.881 0.071 0.012 0 0 0

    4 0 0 0 0.058 0.788 0.096 0.038 0.019 0

    5 0 0 0 0.081 0.054 0.784 0.081 0 06 0 0 0 0 0 0.061 0.878 0.042 0.02

    7 0 0.059 0 0 0 0.059 0 0.706 0.176

    8&9 0 0.05 0 0 0 0 0 0 0.95

    SUMMARY STATISTICS FROM MARKOV ANALYSIS

    0 1 2 3 4 5 6 7 8&9

    The initial vector for 1986 is 0.24 0.22 0.10 0.14 0.10 0.02 0.12 0.04 0.04

    The 1995 vector is 0.04 0.04 0.18 0.22 0.14 0.16 0.12 0.02 0.10

    The equilibrium vector is 0.02 0.04 0.10 0.26 0.15 0.14 0.14 0.03 0.12

    It takes 20 iterations to reach equilibrium.

    Source: Interviews at 51 manufacturing establishments.

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    Figure 1. Scatter diagram for numbers of EI policies adopted in establishments and numbers of other HR policies in establishments in 1995

    Source: Interviews at 51 manufacturing establishments.

    The

    number

    of EI in

    use

    Total number of other HRpractices

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    Figure 2.The distribution of establishments by number of EI policies in 1986 and 1995

    0

    0. 05

    0. 1

    0. 15

    0. 2

    0. 25

    0. 3

    0 1 2 3 4 5 6 7 8 9

    1986

    1995

    1995 r edi ct

    Source: Interviews at 51 manufacturing establishments.

    Notes: No plants had all 9 EI policies in 1995. The number of plants in 1986 and 1995 is 48 and 51, respectively. 1995 predict denotes the

    predicted probability of having 0-9 EI policies from the random draw distribution for 1995.

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    Appendix Table.Descriptive statistics of explanatory variables

    Variable name Variable Definition Mean Standard Deviation

    Union =1 if a plant has a union representation; =0 otherwise; 0.54

    Age of plant Age of plant in years 37.32 29.71

    Log Plant Size Log of the Number of Production Workers in a plant 7.011 0.645

    Durable Manufacturing =1 if a plant manufactures durable products; =0 otherwise; 0.645

    Restructuring =1 if a plant has recently been restructured; =0 otherwise; 0.17

    Selection=the total number of selection programs used in a plant including a detailedscreening process, personal interview, aptitude test, physical exam,

    reference check, and probationary period; takes a value from 0-6;

    4.88 1.23

    Appraisal=the total number of performance appraisal programs used in a plant includingassessment centers, formal review sessions, and a standardized evaluation form;takes a value from 0-3;

    1.52 0.92

    Training

    =the total number of training programs used in a plant including on-the-job

    training, team building training, on-site training, and tuition reimbursement;takes a value from 0-4;

    3.36 0.65

    Individual incentive pay =1 if a plant has adopted the individual incentive pay plan; =0 otherwise; 0.55

    Gain sharing or group bonus =1 if a plant has adopted a gain sharing plan or group bonus program; =0

    otherwise;

    0.40

    Profit sharing =1 if a plant has adopted an ESOP, cash or deferred profit sharing, or employeestock purchase plan; =0 otherwise.

    0.74

    Niche market The degree of a plants focusing on niche market in the scale of 1-5; 3.20 1.38

    Growth of marketShare

    The degree of a plants focusing on growth of market shares in the scale of 1-5; 3.63 1.33

    Maximizing shareholder value The degree of a plants focusing on maximizing shareholder value in the scaleof 1-5;

    3.67 1.57

    Short-term profit maximization The degree of a plants focusing on short-term profit maximization in the scale

    of 1-5;

    3.51 1.14