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    Value Creation in the Relationship Life Cycle:

    A Quasi-Longitudinal Analysis

    By

    Andreas Eggert

    University of Paderborn

    Wolfgang Ulaga

    ESCP-EAP European School of Management

    and

    Franziska Schultz

    University of Paderborn

    ISBM Report 9-2005

    Institute for the Study of Business Markets

    The Pennsylvania State University402 Business Administration Building

    University Park, PA 16802-3004

    (814) 863-2782 or (814) 863-0413 Fax

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    Value Creation in the Relationship Life Cycle:

    A Quasi-Longitudinal Analysis

    Andreas EGGERT

    University of Paderborn

    Marketing Department

    Warburger Strasse 100

    33098 Paderborn

    Germany

    Phone: +49 - 5251 60 20 85

    Fax: +49 - 5251 60 34 33

    Email: [email protected]

    Wolfgang ULAGA

    ESCP-EAP European School of Management

    Marketing Department

    79, avenue de la Rpublique

    75543 Paris Cedex 11

    France

    Phone: +33 - 1 49 23 26 10

    Fax: +33 - 1 49 23 22 48Email: [email protected]

    Franziska SCHULTZ

    University of Paderborn

    Marketing Department

    Warburger Strasse 100

    33098 Paderborn

    Germany

    Phone: +49 - 5251 60 21 11

    Fax: +49 - 5251 60 34 33

    Email: [email protected]

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    Value Creation in the Relationship Life Cycle:

    A Quasi-Longitudinal Analysis

    Abstract

    Among the growing literature on value creation in collaborative buyer-seller relationships, most

    researchers examine relationship value at a single point in time. In the present research, we

    explore whether different stages of the relationship life cycle moderate the relative importance

    of value-creating dimensions. To shed light on the dynamic nature of value in B2B

    relationships, we present the results of a survey among purchasing managers using a quasi-

    longitudinal research design. Our findings confirm the moderating role of the life cycle in

    relationship value creation. More precisely, our results indicate that a key suppliers potentialfor value creation in customers operations increases in relative importance as relationships

    move through the life cycle. In turn, a suppliers capabilities to create superior value at the level

    of the customers sourcing process display a decreasing role over the life cycle of a business

    relationship. No significant link was found in the present study between value creation through

    a suppliers core offering and different stages of a buyer-seller relationship.

    Introduction

    There is a widespread consensus among marketing researchers and practitioners on the

    dynamic nature of business relationships (Holmlund, 2004; Johnson and Selnes, 2004; Medlin,

    2004). Scholars repeatedly argued that buyer-seller relationships experience different stages

    characterized by distinct behaviors, processes or strategic orientations (Dwyer, Schurr, and Oh,

    1987; Ring and Van de Ven, 1994). Most research exploring the dynamics of business

    relationships is of conceptual nature (Wilson, 1995; Wilson and Jantrania, 1994). Yet, from an

    empirical point of view, the dynamics of business relationships remain an under-researched topic

    (Wilson, 1995). Indeed, few studies have assessed the changing nature of key variables during

    the life cycle of business relationships. These studies focused on variables such as satisfaction,

    trust, and commitment (Jap, 2001; Jap and Ganesan, 2000).

    In recent years, the concept of value has proved helpful to advance our understanding of

    business relationships (Anderson, Jain, and Chintagunta, 1993; Parasuraman, 1997; Ravald and

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    Grnroos, 1996; Walter, Ritter, and Gemnden, 2001). Offering superior value to the customer is

    essential for creating and maintaining long-term customer-supplier relationships. According to

    Anderson (1995, p. 349) value creation and value sharing can be regarded as the raison dtre of

    collaborative customer-supplier relationships.

    Typically, value research examines relationships at a single point in time (Lapierre, 2000;

    Ulaga and Eggert, 2005a). A notable exception from the prevailing snapshot approach is Flint,

    Woodruff, and Gardials (2002) study of customers desired value change in business markets.

    Value change triggers customers to explore, maintain or terminate a relationship with its

    suppliers (Flint, Woodruff, and Gardial, 2002, p. 102). If suppliers do not anticipate a customers

    value change, this may result in a deterioration of the relationship (Gassenheimer, Houston, and

    Davis, 1998). Consequently, suppliers need to be aware of customers value changes to adapt

    faster than their competitors to these changes (Flint, Woodruff, and Gardial, 2002, p. 102). This

    activity is reflected in a supplier-initiated value change that motivates the customer to sustain the

    relationship with its supplier (Beverland, Farrelly, and Woodhatch, 2004, p. 931).

    The emerging literature on the dynamic nature of value creation in business relationships

    suggests a number of contextual conditions linked to changes in customers value perceptions.

    For example, Flint, Woodruff, and Gardial (2002, p. 112) develop a typology of contextual

    antecedents to value changes based on two sets of factors. One set of conditions encompasses

    factors external to the customers organization, that is, changes in the desires of a customers

    customers, changes in the strategies and/or tactics of a customers competitors, changes in

    suppliers offerings and performance levels, and changes in a customers macro-environment. A

    second set of factors includes conditions that are internal to the customers organization, such as

    changes taking place within the organization and the customers perceived capabilities in terms

    of performance, knowledge, and control levels. Interestingly, none of these factors refers to the

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    life cycle of a business relationship as a potential driver of changes in value perceptions.

    Nevertheless, it appears reasonable to assume that the perceived importance of the different

    value creating dimensions varies as a relationship moves through its life cycle.

    In the present research, we investigate whether the importance of the various value

    dimensions is a function of the relationship life cycle. To shed light on this research question,

    this article is structured as follows: First, we briefly review the literature on customer value in

    business relationships and introduce our conceptual model. Next, we describe the quasi-

    longitudinal research design and data collection procedure used in the present study. We then

    present our studys results. Finally, we discuss our research findings and the limitations of the

    study.

    Literature Review and Conceptual Model

    Creating superior customer value is key to a companys long-term survival and success

    (Slater, 1997; Woodruff, 1997). In business markets in particular, customer value is the

    cornerstone of the marketing management process (Anderson and Narus, 2004). Despite its

    importance, research on customer value in business markets is still in an early stage (Flint,

    Woodruff, and Gardial, 2002). Although value assessment studies enjoy a long tradition in

    business marketing, they typically focus on the value of the physical product, neglecting

    relational dimensions of customer-perceived value (Dwyer and Tanner, 1999).

    In recent years, researchers adopted a relational approach and considered customer value

    from a relationship marketing perspective. This has been described as relationship value

    (Payne and Holt, 1999). The value of a business relationship is clearly a multidimensional

    concept that goes beyond the price vs. quality trade-off prevalent in consumer research (Dorsch,

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    Swanson, and Kelley, 1998; Gassenheimer, Houston, and Davis, 1998). Over the past years,

    researchers investigated the multiple facets of relationship value (Eggert and Ulaga, 2002;

    Lapierre, 2000; Mller and Trrnen, 2003; Ravald and Grnroos, 1996; Ulaga and Eggert

    2005a; Walter et al. 2003; Wilson and Jantrania 1994), and integrated the various dimensions of

    value creation into an overall definition of relationship value (Ulaga 2003).

    Customer-perceived value in business relationships can be improved by either increasing

    relationship benefits or decreasing relationship costs. In the present research, we focus on the

    role of relationship benefits in value creation. Based on depth interviews with purchasing

    professionals, Ulaga (2003) identified six generic relationship benefit dimensions: product

    quality, delivery performance, service support, personal interaction, supplier know-how, and

    time-to-market. Using exploratory and confirmatory factor analysis, Ulaga and Eggert (2005b)

    demonstrated that there are three fundamental sources of value creation in a business

    relationship: value creation through the core offering, value creation in the sourcing process, and

    value creation in customer operations. Table 1 aligns the six generic benefit dimensions with the

    three sources of relationship value.

    --------------------------------

    Take in Table 1 about here

    --------------------------------

    For the present research, we assume that the relationship life cycle moderates the link

    between the three sources of value creation and the relationship value construct. Figure 1 shows

    a graphical representation of our conceptual model. In line with previous research, we expect all

    three sources of value creation to be positively related with relationship value. Yet, in addition,

    we suggest that different stages of the relationship life cycle moderate the link between the

    various value-creating sources and overall relationship value. To explore this dynamic process,

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    we chose a quasi-longitudinal research design. We detail our research design in the following

    section.

    --------------------------------

    Take in Figure 1 about here

    --------------------------------

    Quasi-Longitudinal Analysis

    Gathering longitudinal data on business-to-business relationships poses serious problems

    (Anderson, 1995). Researchers need to collect data about the same set of relationships with

    identical partners over several periods. In many instances, this is a virtually impossible task and

    may partly explain why longitudinal research is still an exception even when we deal with

    dynamic phenomena such as business relationships.

    To overcome this challenge, Anderson (1995) proposes to collect data on business

    relationships at one point in time, classify the relationships by their phase, and use this

    information for quasi-longitudinal analysis. This approach raises the question of how to classify

    business relationships into distinct phases. As a straightforward solution, the respondents could

    classify the relationships themselves. This is only feasible, however, if the respondents are

    familiar with the concept of the relationship life cycle (Jap and Ganesan, 2000, p. 234).

    Alternatively, relationships could be classified based on their age. Age, however, is not a valid

    measure for relationship phases. For example, some relationships may reach maturity after a few

    months while others are still in the growing stage after several years. In addition, relationships

    may experience a second growth or rejuvenation phase, e.g. when the supplier introduces a new

    product or service (Ellram, 1991; Kotler, 2003). To deal with this problem, we rely on the

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    definition of the relationship life cycle model (Iaobucci and Zerrillo, 1997). While a relationship

    is characterized by strong growth in the build-up phase, it hardly grows in the maturity phase,

    and finally shrinks in the decline phase (Ellram, 1991).1 Evidently, the defining characteristic of

    these phases is the strength and direction of growth. Therefore, we asked our respondents

    whether they intend to expand their business with the respective supplier and used their answers

    to categorize the relationship as being in the build-up, maturity, or decline phase.

    Quantitative Study

    Sampling Procedure

    Empirical data were gathered in a cross-sectional survey among purchasing managers in

    US manufacturing companies. The study was conducted in cooperation with the Institute for

    Supply Management (ISM, formerly National Association of Purchasing Managers - NAPM),

    the countrys national association of purchasing professionals. 1,950 members of ISM were

    randomly selected from the associations database. We selected only senior-level managers

    indicated by job titles, such as VP Procurement, Director of Global Sourcing, Director of Supply

    Chain Management, Purchasing Manager, or Senior Buyer. In addition, only manufacturing

    companies (Standard Industrial Classification codes 28-30 and 33-39) were selected.

    All managers received a cover letter, the survey instrument, and a business reply

    envelope by mail. Subsequently a reminder letter was mailed two weeks after the first contact.

    Overall, 421 questionnaires were returned. Twenty-one were dropped due to missing data or low

    respondent competency yielding a net response rate of 20.5%.

    1In our research context, we focused on established relationships. Therefore, we did not include the exploration

    phase but limited our research to the build-up, maturity and decline phases, respectively (Jap and Ganesan, 2000).

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    Survey Instrument

    The survey was composed of three parts. In the first part, respondents were asked to

    select a specific key component they purchased from at least two suppliers. They were further

    asked to describe the final product for which the component was sourced. Finally, respondents

    were asked to name their main supplier for the specific product as well as their second supplier

    in terms of purchasing volumes. Given the definition of customer value as a relative judgment

    (Sinha and DeSarbo, 1998), the purpose of this initial stage was to ask the respondent to consider

    a specific supplier and to prepare for a comparison of alternative buyer-supplier relationships.

    Specifically, we asked participants to compare the main supplier and the second supplier in terms

    of purchasing volumes for a given component. We chose this approach for several reasons. First,

    depth interviews have shown that managers typically compare these two alternatives when

    making value judgments (Ulaga 2003). Second, we needed to ensure that respondents used

    similar comparison standards to allow for meaningful comparisons.

    The second part contained a list of items tapping the various relationship value

    dimensions investigated in our research (see appendix). Respondents were asked to compare

    their main supplier with the second supplier of the same component on these value items. All

    items used seven-point rating-scales (1 = strongly disagree; 7 = strongly agree).

    Finally, in the third part of the questionnaire, participants were invited to respond to a set

    of questions describing themselves, their company, and the supplier relationship. As the

    empirical study relied on the perceptions of key informants, it was of particular importance to

    ensure that respondents were competent to report on the supplier relationship. To qualify for

    inclusion in our quantitative analysis, respondents had to fulfill minimum requirements with

    respect to their position, tenure with the company, as well as the length of the relationship with

    the supplier. In addition, respondents were asked for a self-assessment of their ability to portray

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    the supplier relationship accurately. Specifically, they were asked to indicate how confident they

    felt about answering the questionnaire, how involved with and knowledgeable they were about

    the supplier, and to which extent they could influence purchasing decisions in the relationship

    with the main supplier.

    Sample Characteristics

    Although we limited our sample frame to manufacturers in chemical, mechanical, and

    electrical industries, respondents purchased a broad variety of components for multiple

    applications. Customer organizations ranged from small enterprises to multi-billion dollar

    companies. On average, manufacturers had been buying from the main supplier for thirteen

    years, with a standard deviation of nine years.

    Respondents held senior positions in their firms. They averaged seventeen years of

    experience in their area and had been with their companies for 10.4 years, on average. Responses

    regarding confidence about answering the survey and knowledge of the supplier relationship

    were high, as suggested by mean ratings of 6.0 (confidence in answering the survey), 6.01

    (involvement in the supplier relationship), 6.15 (knowledge about the supplier), and 5.89

    (influence of purchase decisions) on a seven-point scale.

    Relationships were assigned to the respective life cycle phase (build-up, maturity,

    decline) as a function of the reported intention to expand business with the main supplier. We

    measured the intention to expand business with three items (see appendix for item formulation).

    Reasonable cut-off values were determined using cross checks and case-based inspection.

    Relationships with standardized factor scores below -1.0 were assigned to the decline phase.

    Relationships with factor scores between -1.0 and .50 were assigned to the maturity phase. The

    build-up phase included relationships with a factor above .50. As a result, we had 138

    relationships in the build-up, 208 in the maturity, and 54 in the decline phase.

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    Results

    Table 2 reports key properties of our measurement scales. Cronbach's Alpha is greater

    than .70 for all measures. All indicators show significant factor loadings greater than .70.

    Average variance extracted exceeds seventy percent. Altogether, these properties confirm

    reliability and convergent validity of our scales (Gerbing and Anderson, 1988; Nunnally, 1978).

    --------------------------------

    Take in Table 2 about here

    --------------------------------

    Discriminant validity was assessed using the Fornell and Larcker (1981) criterion. Table

    3 shows that the smallest average variance extracted exceeds the squared correlation between

    each pair of value sources. This indicates a satisfactory level of discriminant validity.

    --------------------------------

    Take in Table 3 about here

    --------------------------------

    After convergent and discriminant validity were successfully established, summated

    scales were constructed for each value source. Finally, we employed moderated regression to

    assess our conceptual model (see Table 4).

    --------------------------------

    Take in Tables 4 about here

    --------------------------------

    The moderated regression model is significant (F = 166.04, df = 6) and shows a good fit

    (R2= .72). All first-order effects are significant. With a standardized coefficient of .55, sourcing

    process contributes most to the explanation of observed variance, followed by customer

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    operations with a standardized coefficient of .26, and core offering with a standardized

    coefficient of .09.

    To gauge the moderating effect of the relationship life cycle on the value sources, we

    included three interaction terms in our regression model. In accordance with Aiken and West

    (1991), interaction terms were constructed as product terms of the standardized factor scores.

    The interaction term between customer operations and relationship life cycle has a standardized

    coefficient of .15. The interaction term between sourcing process and relationship life cycle is

    negative with a standardized coefficient of -.10. Both interaction effects are significant and of

    moderate strength (Chin, Marcolin, and Newsted, 2003, p. 195). The interaction between core

    offering and relationship life cycle is not significant.

    Discussion and Implications

    The present research attempted to shed light on the dynamic nature of value creation in business

    relationships. In particular, we intended to investigate whether different stages of the relationship

    life cycle moderate the role of various sources of value creation in business relationships. Our

    studys results provide a number of insights.

    First, considering direct effects only, our findings demonstrate the importance of each

    value driver investigated in our study. Overall, value creation in the customers sourcing process

    through service support and personal interaction appears as the main value driver in the present

    research. The relationship benefit dimensions Supplier know-how and Time-to-market

    which operate at the level of the customers operations play an intermediary role in overall

    value perceptions. Finally, the suppliers core offering, that is, product quality and delivery

    performance, displays the lowest potential for value creation in business relationships. These

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    findings provide strong empirical evidence for the fundamental trend toward product

    commoditization in many business markets (Rangan and Bowman, 1992). As the core offering

    accounts for little variance when comparing the main supplier to the second best supplier,

    successful vendors have to search for new ways to differentiate themselves from competition

    (Vandenbosch and Dawar, 2002). Offering superior value through personal interaction and

    service, access to know-how, and increased time-to-market, appear as promising avenues for

    differentiation in todays highly competitive business markets.

    Second, looking at the interaction effects in our regression model, our findings confirm

    the moderating role of the relationship life cycle in the assessment of value perceptions. Two out

    of three interaction terms are found to be significant. This clearly indicates the life cycle

    dependence of the direct effects discussed before. More specifically, a suppliers potential for

    superior value creation in the customers sourcing process is the strongest in the early stages of

    the relationship life cycle. Evidently, business customers perceive a stronger need for personal

    interaction and service support during the sourcing process in the build-up as opposed to the

    maturity and decline phase of business relationships. The opposite is true for value creation at

    the level of customers operations. Our research has shown that know-how transfer and time-to-

    market explain more of the variance observed as the relationship moves through its life cycle. A

    possible explanation for this finding may be that customers need experience in dealing with their

    respective suppliers to fully understand and assess their potential for this strategic kind of value

    creation. Finally, in the present study, the relationship life cycle does not affect the role of a

    suppliers value creation through the core offering. The present study focused on the assessment

    of buyer-seller relationships for key components. Given this specific focus on strategically

    important products, it appears reasonable that customers value a suppliers product quality and

    delivery performance invariably from the different life cycle phases.

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    Overall, our research clearly demonstrates the dynamic nature of value creation in

    business relationships. Consequently, suppliers not only face the challenging task to assess and

    manage their value creation potential for different customers and customer segments. In addition,

    they need to anticipate and respond to value changes to avoid dissatisfaction in the partnership.

    To maintain successful partnerships with their customers, suppliers must be able to consistently

    meet changes in their customers value demands. Basically, suppliers can choose between two

    strategic options, a reactive and a proactive one. Within the reactive option, suppliers try to adapt

    to customer value changes whenever they occur. The preferred strategy, however, should be to

    anticipate customer value changes (Beverland, Farrelly, and Woodhatch, 2004). The capability to

    do so may well become a source of competitive advantage in todays business markets.

    Finally, from an academic point of view, our empirical research has shown that buyer-

    seller relationships are dynamic phenomena, indeed. As opposed to single transactions that can

    be studied using a snapshot approach, research on long-term collaborative partnerships calls for a

    longitudinal approach. In many instances, quasi-longitudinal research designs may represent a

    suitable solution to align the need for dynamic analysis with the limited resources available for

    academic research.

    Limitations and Directions for Future Research

    As in any empirical research, the results of the present study cannot be interpreted without taking

    into account the studys limitations. Furthermore, this research generates a set of researchable

    questions that need to be addressed in future research projects.

    First, and foremost, we limited our approach to the assessment of relationship benefits.

    Relationship costs were not considered in the present research. Future research should include

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    both aspects to provide a more encompassing picture of the dynamic nature of value creation in

    business relationships.

    Second, the present research focused on the sourcing of key components. It would be

    interesting to enlarge the scope of research to include a variety of business products and services

    in the investigation of relationship value.

    Third, we investigated the dynamic process solely from the customer perspective.

    However, as we are interested in understanding value creation in the dyad, further research could

    explore the dynamic nature of value creation from the vendors perspective.

    Our intention with the present research was to set forward a first step toward the

    understanding of the dynamic nature of value creation in business relationships. More research is

    needed to fully understand how buyers and sellers view value creation in all stages of the

    relationship life cycle.

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    TABLE 1

    Sources of Value Creation and Corresponding Value Dimensions

    Sources of Value Creation

    Core Offering Sourcing Process Customer operations

    Relationship

    Value

    Dimensions

    Product quality Delivery performance

    Service support Personal interaction

    Supplier know-how Time-to-market

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    TABLE 2

    Scale Properties

    Indicator Loading t-value AVE Cronbachs Alpha

    product1 0.87 26.14

    product2 0.91 standardized

    product3 0.89 27.41

    product4 0.84 24.16

    product5 0.90 28.44

    product6 0.90 28.11

    81.5 % 95.4 %

    delivery2 0.85 standardized

    delivery4 0.95 26.75

    delivery5 0.95 26.8

    89.2 % 93.9 %

    service1 0.85 standardized

    service3 0.83 20.37

    service4 0.85 21.26

    service5 0.89 22.7

    80.0 % 91.6 %

    personal1 0.86 26.08

    personal2 0.91 standardized

    personal3 0.90 28.97

    personal4 0.90 28.73

    personal5 0.87 26.81

    personal6 0.83 23.95

    personal7 0.79 21.31

    78.8 % 95.5 %

    knowhow2 0.69 16.44

    knowhow5 0.91 27.34

    knowhow6 0.80 20.97

    knowhow7 0.90 26.86

    knowhow8 0.90 standardized

    76.4 % 92.1 %

    time1 0.93 standardized

    time2 0.73 18.91

    time3 0.91 30.14

    time4 0.86 26.34

    80.3 % 91.7 %

    value1 0.90 28.47

    value2 0.92 standardizedvalue3 0.76 19.84

    value4 0.90 27.78

    81.6 % 92.4 %

    expansion1 0.90 29.32

    expansion2 0.95 33.31

    expansion3 0.92 standardized

    90.0 % 94.4 %

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    TABLE 3

    Discriminant Validity

    Core

    Offering

    Sourcing

    Process

    Customer

    Operations

    Core Offering 0.75

    Sourcing Process 0.55 0.74

    Customer Operations 0.38 0.63 0.73

    (N.B.: Bold numbers on the diagonal show the AVE; numbers below the diagonal represent the squared

    correlations)

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    TABLE 4

    Relationship Life Cycle As a Moderator of Changes in Value Dimensions

    Independent Variable: Relationship Value

    Dependent Variable Coefficient t-value

    Core offering .09 2.09 **

    Sourcing process .55 10.79 ***

    Customer operations .26 5.72 ***

    Core offering

    x

    relationship life cycle

    N.S. 1.02

    Sourcing process

    x

    relationship life cycle

    -.10 - 1.92 *

    Customer operations

    x

    relationship life cycle

    .15 3.07 ***

    ***p < .01; **p < .05; *p < .10

    R2

    = .72; F = 166.04; df = 6

    Notes: We report two-tailed significance levels. N.S. = not significant

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    FIGURE 1

    Conceptual model

    Relationship life cycle

    Build-up (coded as 1)Maturity (coded as 2)Decline (coded as 3)

    Relationship value

    Core offering

    Product qualityDelivery performance

    Sourcing process

    Service supportPersonal interaction

    Customer operations

    Supplier know-howTime-to-market

    Moderator

    variable

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    Appendix:

    Scale Items

    Expansion

    Mean Standard

    Deviation

    expansion1 Our firm expects to expand its business with the main

    supplier.

    5.09 1.36

    expansion2 The main supplier will receive a larger share of our

    business in the future.

    5.10 1.44

    expansion3 The main supplier will be used more than it is now over

    the next few years.

    5.17 1.46

    Core Offering

    Product Quality:

    product1 Compared to the second supplier the main supplier

    provides us with better product quality.

    4.55 1.59

    product2 Compared to the second supplier the main supplier meets

    our quality standards better.

    4.62 1.60

    product3 Compared to the second supplier the main supplier's

    products are more reliable.

    4.47 1.59

    product4 Compared to the second supplier we reject less products

    from the main supplier.

    4.60 1.69

    product5 Compared to the second supplier the main supplier

    provides us with more consistent product quality over

    time.

    4.69 1.60

    product6 Compared to the second supplier we have less variations

    in product quality with the main supplier.

    4.53 1.68

    Deliveryperformance:

    delivery1 Compared to the second supplier the main supplier

    performs better in meeting delivery due dates.

    4.74 1.68

    delivery2 Compared to the second supplier we have less delivery

    errors with the main supplier.

    4.67 1.66

    delivery3 Compared to the second supplier deliveries from the

    main supplier are more accurate (no missing or wrong

    parts).

    4.58 1.63

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    Souring Process

    Service Support:

    service1 Compared to the second supplier the main supplier

    provides us with better services.

    4.92 1.52

    service2 Compared to the second supplier the main supplier is

    more available when we need information.

    4.83 1.65

    service3 Compared to the second supplier the main supplier

    provides us with more appropriate information.

    4.74 1.50

    service4 Compared to the second supplier the main supplier

    responds faster when we need information.

    4.84 1.61

    Personal

    Interaction:

    personal1 Compared to the second supplier it is easier to work

    with the main supplier.

    4.89 1.61

    personal2 Compared to the second supplier we have a better

    working relationship with the main supplier.

    5.07 1.52

    personal3 Compared to the second supplier there is a better

    interaction between the main supplier's people and

    ours.

    5.07 1.54

    personal4 Compared to the second supplier we interact better with

    the main supplier.

    4.91 1.57

    personal5 Compared to the second supplier we can addressproblems more easily with the main supplier.

    4.83 1.56

    personal6 Compared to the second supplier we can discuss

    problems more freely with the main supplier.

    4.69 1.59

    personal7 Compared to the second supplier the main supplier

    gives us a greater feeling of being treated as an

    important customer.

    4.72 1.63

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    Customer Operations

    SupplierKnow-how:

    knowhow1 Compared to the second supplier the main supplier

    provides us a better access to his know-how.

    4.73 1.55

    knowhow2 Compared to the second supplier the main supplier

    knows better how to improve our existing products.

    4.37 1.48

    knowhow3 Compared to the second supplier the main supplier

    performs better at presenting us with new products.

    4.37 1.56

    knowhow4 Compared to the second supplier the main supplier

    knows better how to help us drive innovation in our

    products.

    4.40 1.47

    knowhow5 Compared to the second supplier the main supplier

    knows better how to assist us in new productdevelopment.

    4.52 1.51

    Time-to-Market:

    time-to-market1 Compared to the second supplier the main supplier

    performs better in helping us improve our time-to-market

    4.48 1.50

    time-to-market2 Compared to the second supplier the main supplier helps

    us more in improving our cycle time.

    4.55 1.57

    time-to-market3 Compared to the second supplier the main supplier helps

    us more in getting our products to market faster.

    4.40 1.58

    time-to-market4 Compared to the second supplier the main supplier

    performs better in helping us speed up product

    development.

    4.61 1.55

    Relationship Value

    value1 Compared to the second supplier the main supplier adds

    more value to the relationship overall.

    5.00 1.51

    value2 Compared to the second supplier we gain more in our

    relationship with the main supplier.

    4.93 1.45

    value3 Compared to the second supplier the relationship with

    the main supplier is more valuable.

    5.02 1.51

    value4 Compared to the second supplier the main supplier

    creates more value for us when comparing all costs and

    benefits in the relationship.

    5.01 1.49

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