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Purpose – The broader aim of the research is to better understand the origins of firm heterogeneity in terms of strategy and structure, looking beyond convergence pressures resulting from economic and institutional forces.

Design/methodology/approach – To identify firm-specific differences, the paper uses an in-depth analysis of two matched cases, comparing the introduction of diversification strategies and decentralized organizational structures in two Dutch banks. Based on detailed archival research it tries to understand how different outcomes were shaped by political processes involving a variety of internal and external actors.

Findings – The research shows the importance of these processes and, in particular, the role of management succession as a trigger for organizational changes as well as the potential power of management consultants based on a combination of their own “political” skills and the opportunity provided by internal divisions. Moreover, the study confirms the view that organizational change requires a change in dominant ideology.

Research limitations/implications – The research was able to go beyond the limitations of extant studies based on cross-sectional data or single cases. It demonstrates the usefulness of historical analysis when examining changes in strategy and structure. Its results need to be confirmed by conducting similar studies in different contexts.

Originality/value – The paper provides new insights into the complex and dynamic processes of organizational change and shows how external consultants – within a specific set of circumstances – were able to manage these processes. The results are valuable to scholars studying organizational change and those looking at consultants and their role. They might also provide insights for practicing managers working or planning to work with consultants.

In this chapter, we advance an understanding of identity theory (IT) as originally created by Sheldon Stryker and developed over the past 50 years. We address misunderstandings of IT concepts and connections. We provide definitions of key ideas in IT, propositions that identify important relationships, and scope conditions that outline the circumstances to which IT applies. Our goal is to provide scholars with an accurate view of IT so that it can continue to advance the science of human behavior in sociology and beyond.

Daniel and Titman (1997) contend that the Fama‐French three‐factor model’s ability to explain cross‐sectional variation in expected returns is a result of characteristics that firms have in common rather than any risk‐based explanation. The primary aim of the current paper is to provide out‐of‐sample tests of the characteristics versus risk factor argument. The main focus of our tests is to examine the intercept terms in Fama‐French regressions, wherein test portfolios are formed by a three‐way sorting procedure on book‐to‐market, size and factor loadings. Our main test focuses on ‘characteristic‐balanced’ portfolio returns of high minus low factor loading portfolios, for different size and book‐to‐market groups. The Fama‐French model predicts that these regression intercepts should be zero while the characteristics model predicts that they should be negative. Generally, despite the short sample period employed, our findings support a risk‐factor interpretation as opposed to a characteristics interpretation. This is particularly so for the HML loading‐based test portfolios. More specifically, we find that: the majority of test portfolios tend to reveal higher returns for higher loadings (while controlling for book‐to‐market and size characteristics); the majority of the Fama‐French regression intercepts are statistically insignificant; for the characteristic‐balanced portfolios, very few of the Fama‐French regression intercepts are significant.

EACH September the eyes of the aeronautical World turn towards the S.B.A.C. Air Display and Exhibition with interest unequalled by any other event. It is fitting that the Display is now held each year at the airfield of the Royal Aircraft Establishment, one of the world's most prominent aeronautical research centres. This interest becomes increasingly keen too, as the preview day comes closer, because new prototypes of unorthodox designs often appear a short time before the Show to illustrate the results of years of careful planning, development and research of the particular company. These designs often mould the path of progress for smaller countries without the economic resources to forge the way ahead alone. Most British citizens are very proud of their country's place in aviation today, both in the military and civil fields. This is understood by most foreigners because it is clear that Britain has won a place in aeronautical development second to none.

Looks at the 2000 Employment Research Unit Annual Conference held at the University of Cardiff in Wales on 6/7 September 2000. Spotlights the 76 or so presentations within and shows that these are in many, differing, areas across management research from: retail finance; precarious jobs and decisions; methodological lessons from feminism; call centre experience and disability discrimination. These and all points east and west are covered and laid out in a simple, abstract style, including, where applicable, references, endnotes and bibliography in an easy‐to‐follow manner. Summarizes each paper and also gives conclusions where needed, in a comfortable modern format.

Purpose and approach – We examine theoretically and experimentally how unequal abilities to contribute affect incentives and efficiency when players compete for membership in stratified groups based on the contributions they make. Players have either a low or a high endowment. Once assigned to a group based on their group contribution, players share equally in their group’s collective output. Depending on the parameters, the mechanism has several distinct equilibria that differ in efficiency.

Findings – Somewhat counter to conventional expectation our theoretical analysis indicates that as long as certain assumptions are satisfied, efficiency increases rather than decreases the more abilities to contribute differ. The analysis also suggests various follow-up experiments about equilibrium selection, tacit coordination, and the effect of unequal abilities in systems with endogenous grouping. We conduct an experiment that shows that subjects tacitly coordinate the mechanism’s asymmetric payoff-dominant equilibrium with precision; this precision is robust to a change in the structure and complexity of the game.

Implications – The results suggest that people respond to merit-based grouping in a natural way and that competitive contribution-based grouping encourages public contributions even when abilities to contribute differ, which is the case in all communities and societies.

This chapter describes a theory of intergroup leadership. Research on reducing prejudice and intergroup conflict identifies a number of conditions, such as empathy, shared goals, crossed categorization, recategorization, and intergroup contact, which can be beneficial. It also identifies social identity threat as a stumbling block – processes intended to reduce conflict often threaten people’s sense of having a unique and distinctive social identity and thus provoke a defensive reaction that sustains conflict. But social psychology says little about the role of group leadership in conflict resolution.

I summarize what we know from social psychology about conditions that attenuate intergroup conflict; then focus on social identity and influence processes to present a new theory of leadership across conflicting groups.

Prejudice and intergroup conflict reduction rests on effective messaging and influence, which is often a matter of intergroup leadership where a leader must bridge and integrate warring factions within a superordinate entity. The challenge of intergroup leadership is to construct an intergroup relational identity that focuses on collaboration and avoids identity threat. I describe a model of intergroup leadership and discuss strategies, such as identity rhetoric, boundary spanning and leadership coalition-building, that such leadership should adopt to effectively reconstruct social identity to reduce conflict and prejudice between groups.

This is a development and extension of a more narrowly focused theory of intergroup leadership in organizational contexts. It will be of value to social psychology, the behavioral and social sciences, and those seeking to reduce prejudice and intergroup conflict through leadership.

Some cycle routes have proved unpopular because at several points a cyclist has to stop or slow very appreciably. Cyclists are discouraged by the resulting extra journey time. Three alternative hypotheses are made for a cyclist's performance in response to an imposed stop. In all he brakes uniformly from a cruising speed. In one, this speed is a personal standard, and he accelerates uniformly to regain it. In the second, because his energy is used in accelerating, he has less to use in cruising. The third hypothesis is that a cyclist's power output in accelerating is the same as in cruising, except at very low speeds, so that he attains his normal cruising speed asymptotically.

Trials were conducted on a lightly trafficked 2.5-km circuit with seven roundabouts. Cyclists made at least two circuits each, one non-stop and one stopping at roundabouts. Pairs of times for each cyclist were compared with derivations from each hypothesis. It was found that the estimates derived from the second hypothesis were much closer to the trial times than those given by the others. The conclusion is that making an adult cyclist stop is equivalent to extending the journey time by as much as an extra 50 m, approximately, would take. In reckoning the lengths of routes in order to select one for development, an equivalent distance of about 50 m should be added for each stop or near stop, unless they are close together.