B - FOXALL,G.(2015) - Operant Behavioral Economics

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    Operant Behavioral EconomicsGordon R. Foxall*

    Cardiff Business School, Cardiff University, Cardiff, Wales, UK 

    The aims of this special issue are to introduce managerial economists to a school of behav-ioral economics they may not yet have encountered by way of accounts by leading re-searchers of its basic tenets, methods, and applications. This overview introduces thepapers by setting them in the context of the development of operant behavioral economics.Copyright © 2015 John Wiley & Sons, Ltd.

    It is pleasing when disciplines, whose initial develop-

    ment trajectories are as diverse as those of operant 

    psychology and microeconomics, demonstrate an

    af nity that promotes both their interaction and their 

    mutual benet. The potential became obvious when

    behavioral psychologists began to consider and

    compare the ways in which micro-economists and

    behavioral psychologists study behavior (Hursh,

    1978, 1980, 1984; Lea, 1978). Around the same

    time, some economists were seeking an experimental

    analysis of their subject matter (e.g., Castro and

    Weingarten, 1970; Smith, 1982). The contingencies,

    likely to bring about a productive collaboration, werebeing assembled. This does not mean that the interac-

    tion is seamless or without controversy   –   who would

    want that?  – but that two intellectual communities are

    able to learn from one another and to grow as a 

    result.

    The resulting research program, operant behavioral

    economics, contributes positively to the objectives of 

    both disciplines by bringing theoretical perspectives

    and novel methodologies to bear on each of its

    constituents. With some simplication, while micro-

    economics permits the conceptualization of behavior 

    as the allocation of scarce resources among competingends, operant psychology (or behavior analysis, as it is

    more usually known) conceives behavior in terms of 

    the allocation of a number of responses that the

    individual can emit among alternative reinforcing out-

    comes (Staddon, 1980; Kagel  et al ., 1995; Foxall and

    Sigurdsson, 2013). The term   ‘operant ’ denotes behav-

    iors that operate on the environment to generate conse-

    quences, which are followed by changes in the rate at 

    which the behaviors are performed: those conse-

    quences that are followed by an increase in response

    rate are known as reinforcers and those followed by

    a reduction in rate, as punishers (Skinner, 1953). The

    ‘three-term contingency’, which provides the basic

    explanatory device of operant behaviorism, takes theform SD⟶R⟶Sr  , where a discriminative stimu-

    lus, SD, is an element of the environment in the

    presence of which a response, R, has been rewarded

    by the appearance of another environmental element,

    Sr , which because of its   ‘strengthening’  effect on the

    behavior is known as a reinforcer. When the occur-

    rence of a response can be accurately predicted from 

    the appearance of the discriminative stimulus, it is said

    to be under stimulus control, and this will be

    maintained as long as the response is followed from 

    time to time by the reinforcer. (For greater detail on

    the subtleties of operant psychology and its philosoph-ical implications for the explanation of behavior, see

    inter alia Baum, 2006; Moore, 2008; Rachlin, 2014.)

    The opportunity for collaboration is clear from the

    conceptual harmonies shown by the two disciplines:*Correspondence to: Cardiff Business School, Cardiff University,

    Cardiff, Wales, UK. E-mail: [email protected] 

    Copyright © 2015 John Wiley & Sons, Ltd.

    MANAGERIAL AND DECISION ECONOMICS

     Manage. Decis. Econ. (2015)

    Published online in Wiley Online Library

    (wileyonlinelibrary.com) DOI: 10.1002/mde.2712

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    The central components of microeconomic

    analysis   nd analogues in the operant analysis

    of choice: economic commodities correspond

    to reinforcers (‘they are both classes of things

    whose contingent presentation will maintain

    behavior ’; Lea, 1978, p. 443); price corre-

    sponds to a schedule parameter, since both in-

    dicate how much of a limited exchangeresource must be given up in order to obtain

    the reinforcer; and money is equivalent to the

    number of responses upon which delivery of 

    the reinforcer is contingent. Thus the econo-

    mist ’s demand curve, which relates the quan-

    tity of a good which is bought to price, is

    analogous to a function relating the quantity

    of reinforcements obtained and the number of 

    responses required to obtain them …   (Foxall,

    1990/2004, p. 83).

    As the papers in this special issue demonstrate, op-erant behavioral economics represents more than the

    simple application of microeconomics to behavioral

    psychology. Behavioral economists have developed

    and applied economic analysis, broadened the range

    of human activities to which economics is applied,

    brought the rigor of experimental analysis to bear 

    where appropriate, and developed novel methodologi-

    cal tools for both economics and psychology. At the

    same time, operant behavioral economics has come

    to provide a standpoint from which the assumptions

    of neoclassical microeconomics can be subjected to

    criticism and, if necessary, adjusted. Most of the pa-

    pers contribute both to the conceptualization of oper-

    ant behavioral economics and to either its empirical,

    methodological, and practical implications or the ex-

    tension of its  eld of application. Despite these over-

    laps, they can be broadly classied from an editorial

    point of view into three groups. First are those papers

    (by Hursh & Roma; Baum; Rachlin; and Ainslie) that 

    make important conceptual and substantive contribu-

    tions to the foundations of operant behavioral econom-

    ics. Second are those (by Jarmolowicz, Reed,

    DiGennaro Reed and Bickel; Hantula; Roma, Hursh,and Hudja; Fagerstrom, Aksnes, and Arntzen; and

    Fagerstrom, Ghinea, and Sydnes) that are principally

    concerned with applications and extensions: to both

    managerial concerns and to methodological sophisti-

    cation. Third come those (by Sigurdsson, Hinriksson,

    and Menon; Menon and Sigurdsson; and Oliveira-

    Castro, Cavalcanti, and Foxall) that are concerned

    with consumer behavior analysis, which combines op-

    erant behavioral economics with marketing science

    (Foxall, 2001, 2002). I should like to introduce each

    of these categories with some brief considerations,

    which may be especially useful to managerial econo-

    mists encountering operant behavioral economics for 

    the  rst time.

    FOUNDATIONS

    Background

    Behavioral economics in this tradition has extended its

    reach beyond conventional realms of economic behav-

    ior such as labor and consumption, to enhance the

    analysis of animal behavior and welfare, anti-social

    responding, addiction and health, marketing and orga-

    nizational management, and other applied areas. A

    central theme is the matching of relative response rates

    to relative rates of reinforcement, which is closely re-

    lated to the phenomenon of hyperbolic temporal

    discounting. Underlying much of this work is the

    pioneering contribution of Herrnstein (1961, 1970,

    1997) which showed that when, in an experimental sit-

    uation, an animal is presented with two operanda,   A

    and B, which might be keys to peck or levers to press,

    each of which delivers a reinforcer on its own variable

    interval (VI) schedule, the animal matches its relative

    response rates to the relative rates of reinforcement ac-

    tually obtained. A schedule programs the relationship

    between reinforcers and responding. An interval

    schedule requires that some minimum time must elapse before a response receives reinforcement. On

    a variable interval or VI schedule, the time varies be-

    tween the delivery of reinforcers. In the case of the

    concurrent VI schedules used in matching experi-

    ments, the schedules are in operation simultaneously

    or   ‘concurrently’, and independently, providing rein-

    forcement after different durations provided at least 

    one response has been made since previous reinforce-

    ment. See, for example, Catania (1997). Hence, the

    basic matching relationship is as follows:

     Ra =   Ra  þ  Rbð Þ ¼   r a =   r a  þ  r bð Þ   (1)

    where Ra  is the number of responses on operandum  A,

     Rb   is the number of responses on operandum  B,   r a   is

    the number of reinforcements obtained on   A, and   r bis the number of reinforcements obtained on  B.

    Baum ’s (1974, 1979) presentation of the General-

    ized Matching Law introduced some subtleties to the

    analysis of matching phenomena that were invaluable

    contributions to the investigation of behavior as eco-

    nomic. As Baum points out in his paper in this issue

    G. R. FOXALL

    Copyright © 2015 John Wiley & Sons, Ltd.   Manage. Decis. Econ. (2015)

    DOI: 10.1002/mde

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    (‘Driven by Consequences: The Multiscale Molar 

    View of Choice’), this law takes the form (exemplied

    in the context of, say, a pigeon responding by pecking

    on two keys):

    log B1

     B2¼  slog

    r 1

    r 2þ logb   (2)

    where   B1   and   B2   are the times expended in peckingkeys 1 and 2, respectively,  r 1 and  r 2, the rates of food

    delivery as a result of pecking keys 1 and 2, respec-

    tively,   s   is sensitivity to variation in the food ratio

    (the schedules of reinforcement), and  b   indicates bias

    resulting from factors other than food rate. The inter-

    pretation of  s  as indicating the degree of substitutabil-

    ity of alternative reinforcers (such as competing

    brands that belong to the same product class) has

    proved instructive in assessing the substitutability,

    complementarity, and independence of products en-

    countered in the market place.

    The tendency toward matching exhibited in so

    much animal and human behavior has implications

    for understanding and studying choice, conceived as

    the relative rate of responding on different alterna-

    tives; well expressed by de Villiers and Herrnstein,

    1976, (p.1131), who say,   ‘our position is that choice

    is merely behavior in the context of other behavior,

    not   a distinctive psychological process of its own’.

    The underlying behavioral mechanism that accounts

    for matching, what Herrnstein (1982); Herrnstein and

    Prelec (1991) calls melioration, is the selection of the

    more pro

    table or less costly of two choices currentlyavailable, leading to the maximization of local or im-

    mediate reinforcement (as opposed to global maximi-

    zation of a series of choices: Herrnstein, 1990). This

    tendency has implications for the study of akrasia 

    (weakness of will) in everyday experience as well as

    in its extreme form, substance and process or behav-

    ioral addiction. Melioration is the basis of the prefer-

    ence reversals seen in individuals opting at time t 1for the larger of two rewards, even though it is avail-

    able long after the other, but switching at t 2   to the

    choice of the smaller reward, which is available sooner 

    once this becomes temporally closer.More generally, matching suggests that the value of 

    a reinforcer is inversely proportional to its delay, that 

    is, as the delay becomes shorter, the value increases

    dramatically. This is the essence of hyperbolic

    discounting. Whereas, in exponential discounting,

    the larger-later reward (LLR) is always preferable to

    the smaller-sooner reward (SSR), regardless of time

    elapsed, in hyperbolic discounting, there is a period

    during which the SSR is so highly valued (as a 

    function of the time remaining to its possible realiza-

    tion having become so short) that it is preferred to

    the LLR (Ainslie, 1992). This is clearly not because

    of its objective value, which is by denition less than

    that which can be obtained through patience, but be-

    cause the time remaining to its possible realization is

    now so short that it is preferred to the later but larger 

    reward.

    Papers

    In   ‘Behavioral economics and the analysis of con-

    sumption and choice’, Steven Hursh and Peter Roma 

    present the fundamentals of the operant paradigm 

    and its relevance to the behavioral economics pro-

    gram. In particular, they note points of convergence

    between the disciplines that comprise the paradigm 

    and remark specically on the role of the allocation

    of behavioral resources among alternative reinforcers.

    They provide a primer for an approach to behavioral

    economics that is able to inform both the pure science

    of behavior and managerial and policy decision-

    making. The central component of this approach is

    the representation of the value consumers attach to

    products by the use of an exponential function to cap-

    ture the non-linearity of demand curves, the exponen-

    tial model of demand (Hursh and Silberberg, 2008).

    Essential value is shown to be a useful means by

    which to   ‘categorize differences between commodi-

    ties, differences between individuals toward similar 

    commodities, and differences in the value of commod-ities across different contexts of available alternatives

    and disincentives’, all of which have obvious echoes

    in managerial concerns such as the identication of 

    criteria for market segmentation and innovation. An

    interesting development is the capacity of 

    questionnaire-based methods of investigation to yield

    demand curves of this form, which promises to en-

    hance the applicability of behavioral economics to

    managerial concerns, a theme that is taken up in a later 

    paper by Roma, Hursh, and Hadja (‘Hypothetical pur-

    chase task questionnaires for behavioral economic as-

    sessments of value and motivation’).Behavior analysis is an intellectually progressive

    research program: its theoretical debates and its empir-

    ical ndings are stimulating and informative. In Baum 

    (1973), William Baum argued that the central compo-

    nent of operant psychology is a sequence of responses

    that is related correlatively to a sequence of 

    reinforcers. His seminal work in the derivation of the

    Generalized Matching Law was noted previously.

    Central to this work is the distinction between a 

    OPERANT BEHAVIORAL ECONOMICS

    Copyright © 2015 John Wiley & Sons, Ltd.   Manage. Decis. Econ. (2015)

    DOI: 10.1002/mde

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    molecular view of operant behavior, which attempts to

    relate each individual response to its specic control-

    ling consequences, and the molar view, which empha-

    sizes sequences or patterns of behavior and

    reinforcers. Baum has argued forcefully for the latter 

    (e.g., Baum, 2002; see also Baum, 2012; Baum, 2013).

    In his paper in this issue,   ‘Driven by consequences:

    The Multiscale Molar View of choice’, Baum empha-sizes that behavior is to be conceptualized as choice,

    that temporal limitations mean that alternative be-

    haviors must compete. Whereas the conventional

    way of looking at responses and their reinforcing

    consequences takes the molecular perspective that 

    examines each individual response in relation to its

    immediate outcomes, the multiscale molar view en-

    visions behavior as a sequence of activities over 

    time that covaries with a series of consequences,

    also temporally extended, that induces or drives the

    behavior. Choice may be viewed in this perspective

    as the relative allocation of time between alternative

    behavior patterns (Baum and Rachlin, 1969). Within

    this conceptualization of choice, Baum discusses

    matching in terms of substitutability, foraging, as well

    as impulsivity and self-control in the context of 

    temporal discounting.

    Howard Rachlin, in his paper,   ‘Social cooperation

    and self-control’, also emphasizes the need to compre-

    hend behavior as a sequence of activities extended in

    time. A problem arises in the delineation and measure-

    ment of altruism in behavior analytical terms: as

    Rachlin and Lacey (2011), (p. 25) put it,  ‘

    The object of behavior analysis is to identify reinforcers of acts.

    But an individual altruistic act apparently has no rein-

    forcer; if it did, it would not be altruistic. Altruism thus

    seems to defy behavioral analysis’. However, in   ‘So-

    cial cooperation and self-control’, Rachlin demon-

    strates the usefulness of measuring altruism by

    means of social discount functions, just as self-control

    has been measured by delay discount functions. The

    understanding of behavior as temporally extended

    suggests that activities must be considered as patterns

    of behavior. Social cooperation and self-control may

    be selected as patterns of behavior in a procedure anal-ogous to natural selection in evolutionary biology. By

    arguing that such behaviors as social cooperation and

    self-control be thought of as sequences of choice over 

    time, Rachlin’s analysis goes beyond the basis on

    which a great deal of matching research is founded,

    namely that of individually considered selections of 

    the more highly-valued alternative. There are impor-

    tant implications of this reasoning for managerial

    decision-making in the contexts of both social policy

    and the marketing and demarketing of commodities

    likely to lead to addiction.

    George Ainslie’s paper (‘The Cardinal Anomalies

    that led to Behavioral Economics: Cognitive or Moti-

    vational?’) provides a bridge between operant behav-

    ioral economics and other schools of behavioral

    economic thought, such as that of Kahneman and

    Tversky (1984). Ainslie refers to the cognitive schoolas that which revealed anomalies in the microeconom-

    ics of choice, arising from the phenomena of cognitive

    framing that are the subject of Kahneman and

    Tversky’s Prospect Theory, while the anomalies re-

    vealed by the motivational school of operant behav-

    ioral economics inhere in the phenomena of 

    hyperbolic temporal discounting and intertemporal

    bargaining, notably analyzed in terms of  

    picoeconomics (Ainslie, 1992). The integrative poten-

    tial of Ainslie’s contribution here is that the founda-

    tions of framing effects generally are to be found in

    motivational considerations. His paper has implica-

    tions not only for the conceptual bases of behavioral

    economics but for the intertemporal bargaining that 

    lies at the heart of many of the practical applications

    of operant behavioral economics.

    APPLICATIONS AND EXTENSIONS

    Background

    Consideration of intertemporal bargaining is particu-larly pertinent to the applied aspects of operant behav-

    ioral economics such as health and addiction (Rachlin

    2000). Ainslie (1992) speaks of the problem of 

    ‘akrasia ’  or weakness of will by reference to separate

    interests that are in conict: one is concerned with

    our gaining long-term benet such as engaging in pro-

    ductive work and the other with short-term pleasures

    like undemanding amusement. One’s experience as

    the locus of this clash of interests is often marked by

    a sturdy resolve to undertake the more rewarding ac-

    tivity, followed by a lapse into the other, just as it be-

    comes available, followed by regret, further resolution, and perhaps inevitable relapse. This cycle

    is characteristic of addiction but it also marks many

    everyday switches of preference involved in less ex-

    treme behavior. What is so preferable when we make

    our plans is edged out by an alternative that is initially

    unthinkable but of immense value as it hooves into

    sight. Even though we know fully well that the activity

    that we were determined to undertake when we set out 

    will bring greater benet, the fact that it is delayed

    G. R. FOXALL

    Copyright © 2015 John Wiley & Sons, Ltd.   Manage. Decis. Econ. (2015)

    DOI: 10.1002/mde

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    while the less benecial can be obtained immediately

    raises the value of the latter sharply till it exceeds the

    current worth of the other. An intriguing facet of 

    Ainslie’s approach is the possibility that, by   ‘bun-

    dling’   together the combined benets of a series of 

    later-appearing rewards and comparing these   in toto

    with the immediate benet of a current less valuable

    choice, it is possible to overcome the temptation tomake a sub-optimal decision (i.e., to exercise   ‘will-

    power ’   or   ‘self-control’). Hence, picoeconomics has

    implications for the role of cognition and metacogni-

    tion in relationships between neuro-behavioral deci-

    sion systems and the place of agency in

    understanding their interaction.

    Some of these implications are taken up by Ross

    (2009), who denes the situation in economic terms

    by reference to two rewards (a and  b) available at dif-

    ferent times such that  a   is, for example, taking a short 

    vacation starting in a week [t 1], and b  is, for instance,

    starting a two-year course of study for a higher degree,

    [t 2]. Looking well into the future, the person’s utility

    function indicates that   b   is preferable to   a. At this

    point, the person discounts the future rather gently.

    However, as the time for the vacation comes closer,

    the person’s utility function indicates a preference for 

    a   over    b. Ross (2012) models the various

    picoeconomic interests in two ways depending on

    whether these interests are conceived as acting syn-

    chronously or diachronically. In the   rst case, they

    may be seen as subagents that have either conicting

    utility functions or divergent time preferences. Agentswith conicting utility functions may be modeled in

    terms of a Nash equilibrium game among these agents.

    Modeling the behavior of subagents whose time pref-

    erences diverge adverts to the sub-personal level of 

    neurophysiology in which a hyperbolic time prefer-

    ence emerges from   ‘competition between steeply

    exponentially discounting   “limbic”  regions and more

    patient (less steeply exponentially discounting)

    “cognitive”   regions’   (Ross, 2012, p. 720). This

    picoeconomic portrayal depends heavily on the   nd-

    ings of a key experiment in neuroeconomics based

    on functional magnetic resonance imaging scans of humans choosing between SSR and LLR (McClure

    et al ., 2004). In the process of scrutinizing immediate

    rewards, participants activated brain regions that in-

    volve emotion, namely medial orbitofrontal cortex,

    medial prefrontal cortex/pregenual cingulate cortex,

    and ventral striatum. However, while examining

    long-term payoffs, they activated areas of the lateral

    prefrontal cortex (implicated in higher cognitive func-

    tioning), and part of the parietal cortex related to

    quantitative reasoning. In his modeling of 

    picoeconomic conict in terms of diachronically

    appearing multiple selves, Ross (2012) speculates

    briey about the cognitive demands of such a por-

    trayal: each subagent is portrayed as temporarily in

    control of the person’s behavior, with its own utility

    function and incomplete knowledge of the other, al-

    though its utility is constrained by the investmentsmade by earlier-appearing agent(s).

    Papers

    The idea that the more rational and more irrational as-

    pects of human decision-making are respectively

    governed by separate but functionally integrated brain

    regions has a considerable history. However, in the

    competing neuro-behavioral decision systems model

    (Bickel et al ., 2007; Bickel and Yi, 2008; Jarmolowicz

    et al ., 2013), the view that behavior results from the

    interaction of two competing neural systems has

    recently become highly developed. This work 

    incorporates both operant behavioral economics and

    neuroeconomics, and is especially relevant for its

    applicability to health issues. The competing neuro-

    behavioral decision systems hypothesis identies the

    mainsprings of suboptimal behavior as the exaggera-

    tion of the reinforcing effects of the consequences of 

    behavior and an inordinately strong desire for immedi-

    ate satisfaction. In behavioral economics terms, these

    are described in terms of the elasticity of demand for 

    the reinforcer (following from its excessive valuation)and the discounting of future rewards over present 

    consumption (reecting impulsivity). The link between

    the two is found in the neurophysiological effects of 

    the reinforcer on behavior. In   ‘The behavioral and

    neuroeconomics of reinforcer pathologies: Implica-

    tions for managerial and health decision making’,

    David Jarmolowicz, Derek Reed, Florence DiGennaro

    Reed, and Warren Bickel argue that while behaviors

    that embody   ‘reinforcer pathologies’   are inconsistent 

    with rational choice theory, they are consistent with

    behavioral economics of demand and discounting.

    Hence, they note that people who suffer from rein-forcer pathologies make particular choices between

    commodities they consume and social behaviors

    where the latter result in less intense or delayed

    gratication.

    The study of experimental matching and foraging

    in the context of consumption owes much to the

    pioneering work of Hantula (e.g., Smith and Hantula,

    2003; Hantula and Bryant, 2005; Hantula   et al  .,

    2008). Matching is the predicted outcome when the

    OPERANT BEHAVIORAL ECONOMICS

    Copyright © 2015 John Wiley & Sons, Ltd.   Manage. Decis. Econ. (2015)

    DOI: 10.1002/mde

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    behavioral options produce qualitatively equivalent 

    returns. A reduction in the rate of responding on

    one schedule when another is adjusted to provide

    less demanding payoffs in terms of the number of 

    responses required for each reinforcement (or more

    generous payoffs for similar response rates) is

    known as behavioral contrast. In their paper 

    ‘Matching and behavioral contrast in a two-optionrepeated investment simulation’, Donald Hantula 

    and Charles Crowell describe a series of investment 

    simulations in which matching eventuated when

    markets provided equivalent returns but, as expected,

    when one market no longer provided returns, behav-

    ioral contrast resulted. A third simulation, in which

    the returns were again made equivalent, restored

    matching, but a fourth phase, in which the condi-

    tions that predict contrast were again enacted, re-

    stored behavioral contrast in a less robust fashion.

    This work extends previous research, conrming that 

    adults exhibit behavioral contrast and that options are

    valued relatively rather than absolutely. This research

    is directly relevant to   nancial management and, in

    particular, investment decision-making.

    Roma, Hursh, and Hadja in  ‘Hypothetical purchase

    task questionnaires for behavioral economic assess-

    ments of value and motivation’, present evidence for 

    the ef cacy of questionnaire methods in testing the

    Exponential Model of Demand, which was discussed

    in Hursh and Roma ’s expository paper. This paper 

    presents an interesting step in operant behavioral eco-

    nomics in that it tests the possibility that self-report questionnaires   –   specically, the hypothetical pur-

    chase task (HPT) questionnaires developed by Jacobs

    and Bickel (1999)   –   yield data on buyers’

    purchase/consumption intentions for commodities of-

    fered at various prices. The method is impressive in

    view of the dif culties inherent in many questionnaire

    techniques of obtaining reliable estimates of demand

    from consumers’   responses to hypothetical scenarios

    (e.g., Foxall, 2005). The results indicate that HPT

    questionnaires provide a valid and reliable means of 

    estimating demand that is consistent with the results

    of more conventional applications of the ExponentialModel of Demand based on data for actual consumer 

    behavior. Moreover, the HPT approach goes beyond

    previous methods of consumer research such as

    Gabor ’s (1988) buy-response analysis that established

    only whether consumers would be willing to buy at all

    at specied prices without enquiring how much they

    would buy at each price. The methodological develop-

    ments presented in this paper provide an enhanced ba-

    sis for market research, as well as academic inquiry.

    Asle Fagerstrom, Dag Aksnes, and Erik Arntzen, in

    ‘An experimental study of intertemporal choices: The

    case of customer relationship management ’, explore

    intertemporal choice in the context of managers having

    to prioritize short-term and long-term projects in the

    context of customer relationship management. The re-

    sults indicate a tendency to work on smaller problems

    with more immediate payoffs rather than larger taskswith more delayed outcomes. The   ndings suggest a 

    framework for understanding better the role of tempo-

    ral discounting in managerial situations, and the impli-

    cations of technological drift. Asle Fagerstrom,

    Georghita Ghinea, and Lars Sydnes, in   ‘How does

    probability impact consumers’ choice? The case of on-

    line reviews’, investigate the role of probability

    discounting in consumers’   evaluations of online

    reviews. Participants were offered two choices of ship-

    ping scenario: one in which positive customer reviews

    were available but prices were higher and the other in

    which there were no reviews but prices were lower.

    The authors employed a titration procedure to deter-

    mine the point at which consumers switched from 

    one buying choice to the other in order to assess the im-

    plications of online reviews for intentions to buy. The

    shopping microworlds employed in the study were

    programmed using MediaLab™, which is proving a 

    sound means of investigating consumer choice in

    experimental situations (Fagerstrom  et al ., 2009).

    CONSUMER BEHAVIOR ANALYSIS

    Background

    Interest in applying operant behavioral economics to

    understand better the behavior of consumers and

    marketers has led to the development of consumer 

    behavior analysis. At the heart of this approach is the

    behavioral perspective model (BPM), an elaboration

    of the three-term contingency that renders it appropri-

    ate for the investigation and interpretation of 

    consumer behavior in complex marketing systems

    (Foxall, 1990/2004, 2010). As Figure 1 shows, themodel portrays consumer behavior as the outcome of 

    two kinds of reinforcing consequence: utilitarian rein-

    forcement consists in the functional benets of acquir-

    ing, owning, and consuming products and services,

    while informational reinforcement consists in the so-

    cial benets of these activities. Consumer behavior is

    also subject to utilitarian and informational punish-

    ment: all consumer behavior is, after all, simulta-

    neously reinforced, by the utilities provided by goods

    G. R. FOXALL

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    and their consumption, and punished, by the surrender 

    of purchasing power and the incapacity to purchase

    other commodities (Alhadeff, 1982).

    The essence of the model is the consumer situation,

    which comprises the interaction of the stimuli that 

    compose the current consumer behavior setting (dis-

    criminative stimuli and motivating operations) and

    the consumer ’s learning history, the behaviors she

    has previously enacted and their utilitarian and infor-

    mational consequences. Of particular explanatory sig-

    nicance is the consumer situation consumer behavior 

    link: consumer behavior is a function of the consumer 

    situation, where the consumer situation is the interac-

    tion of a learning history and a consumer behavior set-

    ting. Moreover, at the initiation of any particular 

    instance of consumer behavior, the only relevant be-

    havioral consequences (reinforcement and punish-

    ment) are those that have occurred in the past whensimilar behaviors were enacted within similar situa-

    tions. The consumer behavior setting comprises the

    discriminative stimuli and motivating operations that 

    form the physical and social milieux of an act of pur-

    chase or consumption.

    Papers

    The remaining papers are concerned with examining

    propositions derived from the BPM. That by Valdimar 

    Sigurdsson, Hinrik Hinriksson, and Vishnu Menon,

    ‘Operant behavioral economics for E-mail marketing:An experiment based on the Behavioral Perspective

    Model testing the effectiveness of motivating opera-

    tion, utilitarian and informational reinforcement ’, de-

    scribes the model and examines the explanatory value

    of some of its key components in the context of e-mail

    marketing. Motivating operations are another kind of 

    pre-behavioral stimulus, additional to discriminative

    stimuli: a motivating operation is an element of the en-

    vironment that enhances the relationship between a 

    response and its reinforcing consequences (Michael,

    1993). Motivating operations have been discussed in

    the literature of behavior analysis and consumer choice

    by Fagerstrom, (Fagerstrom, 2010; Fagerstrom  et al .

    (2010)) and Fagerstrom  et al . (2011)). The paper by

    Sigurdsson, Hinrik, and Menon incorporates motiva-

    ting operations along with utilitarian and informational

    reinforcement in an examination of the suitability of 

    the BPM as a guide to managerial decision making in

    the sphere of email marketing. (For further background

    to this work, see Sigurdsson et al ., 2013a, 2013b). The

    implication of their work is that the effectiveness of 

    email marketing is a function of managerial activity

    with respect to motivating operations and utilitarian

    reinforcement.

    Vishnu Menon and Valdimar Sigurdsson (‘Con-

     joint analysis for social media marketing experimenta-

    tion: Choice, utility estimates, and preferenceranking’) note that there is a close af nity between

    the individual level of analysis favored by behavior 

    analysis, and the individualized marketing strategies

    and tactics that personal communication makes

    available via social media. The authors argue that 

    personalized marketing interventions can be tailored

    as a result of the analyses that behavioral economics,

    allied with conjoint analysis, provides. Their investi-

    gation is particularly interesting in the context of the

    BPM, insofar as it discusses the nature of price as it 

    enters into both utilitarian and informational sources

    of reinforcement.Research in consumer behavior analysis, which has

    employed Hursh’s approach to the determination of 

    demand elasticity as essential value (Hursh and

    Silberberg, 2008; Hursh & Roma, 2015), has shown

    that the inclusion of utilitarian and informational rein-

    forcement as independent variables in the exponential

    demand model increases the explained variance for 

    consumption behavior (Oliveira-Castro   et al ., 2011;

    Yan, Foxall & Doyle, 2012a, 2012b). The possibility

    Figure 1.   Summative behavioral perspective model.

    OPERANT BEHAVIORAL ECONOMICS

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    that consumers maximize some combination of 

    utilitarian and informational reinforcement, which is

    an implicit assumption of the BPM, was tested by

    Jorge Oliveira-Castro, Paulo Cavalcanti, and Gordon

    Foxall (‘What consumers maximize: Brand choice as

    a function of utilitarian and informational reinforce-

    ment ’) by means of a Cobb–Douglas utility function.

    Data from a consumer panel were used for thispurpose and demonstrate that consumers indeed

    maximize bundles of utilitarian and informational

    reinforcement. The results indicate a high degree of 

    intertemporal consistency for each of the four product 

    categories investigated. This consistency in the pro-

    portions of utilitarian and informational reinforcement 

    for brands within product categories is of managerial

    practicality because it can be used to accommodate

    the functional and social benets required by con-

    sumers to new brands in the course of their develop-

    ment, and to retail operations. The methodology

    employed also allows the total amount of utility ob-

    tained per consumer to be estimated. Insofar as the to-

    tal utility obtained was shown to be specic to each

    product, the opportunity arises for marketers to take

    consumers’   preferences more closely into consider-

    ation at all stages of product development, introduc-

    tion, and post-launch marketing.

    CONCLUDING COMMENTS

    In embracing microeconomics, operant psychology

    has conrmed the relevance of neoclassical analysis

    to the comprehension of complex behavior in experi-

    mental and natural settings.   ‘Behavioral economics’

    is often a banner beneath which orthodox economic

    theory is criticized on the basis that it is inconsistent 

    with this or that of psychological or sociological

    approach. Operant behavioral economics, somewhat 

    by contrast but not uncritically, demonstrates the rele-

    vance and usefulness of microeconomic theory to our 

    understanding of behavioral choice that has already

    been well-researched from a particular psychological

    perspective. At a time when the   ‘economics and psy-

    chology movement ’   is capturing the imaginations of 

    scholars from both disciplines, the exploration of oper-

    ant behavioral economics is particularly apposite. I am 

    deeply grateful to the authors and reviewers who have

    contributed to a collection of papers on operant behav-

    ioral economics which, I trust, will be of value to both

    behavior analysts and managerial economists.

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    OPERANT BEHAVIORAL ECONOMICS

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    DOI: 10.1002/mde