Helga Drummond recent York: Oxford University Press.

Helga Drummond recent York: Oxford University Press, 1996 265 pp $6000

Escalation of commitment has been of interest to social scientists since the 1970 (eg Staw, 1976) In fact, frequently of this work has appeared in the Administrative Science Quarterly. At the risk of oversimplification, the dominant explanation for for what cause [i]or[/i] reason people "throw good money after bad" is that decision makers are influenced from prior expenditures (sunk costs) and/or self-justification pertain tos (cf. Arkes and Blumer, 1985; Brockner 1992) While the field has reached a certain of the same height of maturity, studies continue to appear that allude to the above explanations may be incomplete or perhaps on a level incorrect in some contexts (eg Armstrong, Coviello, and Safranek, 1993; Garland and Conlon 1998) Drummond's part is likely to raise additional matters about the robustness of the dominant explanations for escalation.

Escalation in Decision Making chronicles the London Stock Exchange's attempt to evolve an electronic share settlement proces that would greatly facilitate the spe of discharge by eliminating the need for matching paper documentation from buyer and venders When the project, named Taurus, was announced in May 1986 it was reckon uponed to take three years to implement and would require to be paid [i]or[/i] undergone [pounds]6 million. Drummond tells the story of for what reason the information technology venture was conceived, the numerous obstacles fighted and the staggering costs involved (by the time the draw was terminated in March 1993 the Stock Exchange had worn out almost [pounds]80 million, and the total expenditures including costs absorbed by the securities industry, reached almost half a billion pounds)

The work is both a case studious mood and a theoretical analysis of escalation. Its fourteen chapters are evenly divided between description (telling the story of Taurus, based forward interviews, documentary analyses, and media accounts) and analysis (linking the marked occurrences and decisions to the escalation literature).

The chapters are arranged to such a degree that story and theory intertwine: the chronology of results never unfolds too long without being tied back to a theoretical analysis. In other words, those who wish to draw their concede conclusions could do so by the agency of reading only the narrative chapters, returning later to the theory chapters.

From a theory perspective, the general question Drummond try to gets to answer is "whether persistence in a failing course of action ensues from decision errors or is basically an economically thrifty response to difficult circumstances" (p 22) Drummond search fors answers by analyzing escalation at the micro, meso and macro evens She classifies much of the prior micro-level work upon escalation into one of sum of two units categories: social psychological explanations (exemplified at the work of Staw, 1976; Arkes and Blumer 1985; Brockner 1992) and decision dilemma explanations (best exemplified in the work of Bowen, 1987) While Drummond argues that the social psychological and decision dilemma approaches are at best incomplete, there assumes to be enough grist in the tale of Taurus for everyone to claim an victory. Those who prefer a sunk-cost explanation can take heart when an interviewed employee exclaims, " . they've spent so often money on it, surely it would be ludicrous to jack it in now" (p 154) still references to sunk costs as a motivating factor are actually sparse. There are certainly more elucidations suggesting that the level of frame completion might have been more salient to the the public involved with Taurus: "Every meeting allotments of progress. However, when you sat back and said 'Are we any closer to the end?"Well, not really'" (p 124) "There was always an constituent principle of hope that we are 50 percent of the way there, we are 60 percent of the way there. Now the hundr percent was shifting away. . . Whenever I descry a project where the hundr percent starts moving, that bear upons me" (p. 113). Or, my personal favorite: "The goal places have been moved on several occasions, and now one has absconded with them" (p 138)

Drummond argues that what was most numerous embarrassing to the participants and what ultimately mov the Stock Exchange CEO Peter Rawlins to action was time itself. Sunk outlays and degree of project completion was les important than to what degree long it would take for the method to come on line. Regarding time, Rawlins is quot as saying, "Of course we can carry upon if you are prepared to promised the money, but I am telling you the issue is not about the currency It is the time . ." (p. 151). Regarding canceling the delineate (Rawlins again), "There wasn't a single faction that wanted it if you really pinned them down. thus without a single sponsor, with the absolute certainty you had got another sum of two units years, and in my belief three-plus years before you were there, it was a terribly easy decision" (p 152)

At the meso on a level Drummond characterizes escalation as the issue of a tragedy-of-the-commons dilemma in which the parties involved in designing Taurus all succumbed to self-interest and argued for changes that would provide them with a small benefit even now that collectively made the design unwieldy. In addition, Drummond argues that a key-note force by which the brew continued can be traced to a superficial on a level of decision-maker "due diligence." In of that kind situations, agents duly carry without the roles expected of them, without eternally considering the question of whether the intend they are overseeing should be done at all. as it is a concept could seamlessly link to more micro-level phenomena, as it was as automatic rather than controll information processing or the notion of "mindless attention."