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91.
Combining longitudinal field research and executive experience, we propose that corporate longevity depends on matching cycles of autonomous and induced strategy processes to different forms of strategic dynamics, and that the role of alert strategic leadership is to appropriately balance the induced and autonomous processes throughout these cycles. We also propose that such strategic leadership is the means through which leadership style exerts its influence on corporate longevity. Our findings can be related to organizational research on structural inertia, learning and adaptation, as well as to formal theories of complex adaptive systems. They also contribute to resolving the seeming contradiction between a study of corporations that attributes exceptional long‐term success to leadership style, and the more common proposition that strategy is the determinant of long‐term performance. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
92.
Summary. The study of evolutionary dynamics was so far mainly restricted to finite strategy spaces. In this paper we show that this
unsatisfying restriction is unnecessary. We specify a simple condition under which the continuous time replicator dynamics
are well defined for the case of infinite strategy spaces. Furthermore, we provide new conditions for the stability of rest
points and show that even strict equilibria may be unstable. Finally, we apply this general theory to a number of applications
like the Nash demand game, the War of Attrition, linear-quadratic games, the harvest preemption game, and games with mixed
strategies.
Received: June 25, 1999; revised version: January 31, 2000 相似文献
93.
The few existing studies on equity price dynamics and market efficiency for Latin American emerging equity markets show conflicting results. This study uses multiple varianceratio and auto-regressive fractionally integrated moving-average tests and new data (U.S. dollar-based national equity indices for the 1987–1997 period) to clarify these results. Documented evidence shows that equity prices in major Latin American emerging equity markets — Argentina, Brazil, Chile and Mexico—follow a random walk, and that they are, generally, weak-form efficient. In sum, therefore, the evidence suggests that international investors in these markets cannot use historical information to design systematically profitable trading schemes because future long-term returns are not dependent on past returns. 相似文献
94.
This paper presents a resource-based theoretical model for an extended version of the network success hypothesis. It derives four main hypotheses for the relationships between resources obtained from personal networks of the founders and a new venture's success. The model takes into account a broad range of control variables. In the empirical study, based on a sample of 123 German entrepreneurs, we do not find much support for our hypotheses. We conclude that, quite in contrast to most existing theories, network links have close to no impact on getting cheap or exclusive resources. 相似文献
95.
David Ashton 《Accounting & Business Research》2013,43(3):387-410
In this paper, we develop a framework for evaluating the impact of conservative accounting on the structure of residual income models of equity valuation. We explore specific examples of both unconditional and conditional conservatism and observe a common mathematical structure. We proceed to generalise our model and identify the joint dependency of conservatism and the persistence of abnormal earnings on the weights attached to book values, earnings and dividends. We are able to show theoretically the likely numerical impact of conservatism on price-earnings ratios and under-valuations produced by residual income models. We investigate empirically the interaction between conservatism and persistence and find they accord well with the theory developed. We briefly discuss the implications of testing the effect of conservatism on valuation and linear information dynamics. 相似文献
96.
97.
We review some of the work on non-Gibbsian states of the last 10 years, emphasizing the developments in which Eurandom played a role. 相似文献
98.
The Internet and the Web are evolving to a platform for collaboration, sharing, innovation and user-created content—the so-called
Web 2.0 environment. This environment includes social and business networks, and it is influencing what people do on the Web
and intranets, individually and in groups. This paper describes the Web 2.0 environment, its tools, applications, characteristics.
It also describes various types of online groups, especially social networks, and how they operate in the Web 2.0 environment.
Of special interest is the way organization members communicate and collaborate mainly via wikis and blogs. In addition, the
paper includes a proposed triad relational model (Technology–People–Community) of social/work life on the Internet. Particularly,
social/work groups are becoming sustainable because of the incentives for participants to connect and network with other users.
A discussion of group dynamics that is based on the human needs for trust, support, and sharing, regardless if the setting
is a physical or virtual one, follows. Finally, future research directions are outlined. 相似文献
99.
The aggregate average wage is often used as an indicator of economic performance and welfare, and as such often serves as a benchmark for changes in the generosity of public transfers and for wage negotiations. Yet if economies experience a high degree of (non‐random) fluctuation in employment, the composition of the employed population will have a considerable effect on the computed average. In this paper we demonstrate the extent of this problem using data for Poland for the period 1996–2003. During these years the employment rate in Poland fell from 51.2 percent to 44.2 percent and most of this fall occurred between the end of 1998 and the end of 2002. We show that about a quarter of the growth in the average wage during this period could be attributed purely to changes in employment. 相似文献
100.
Since the 1950s economists have applied game-theoretical concepts to a wide variety of economic problems. The Nash equilibrium concept has proven to be a powerful instrument in analyzing the outcome of economic processes. Since the late 1980s economists have also shown a growing interest in the application of evolutionary game theory. This paper discusses the main concepts of evolutionary game theory and their applicability to economic issues. Whereas traditional game theory focusses on the static Nash equilibria as the possible outcomes of the game, evolutionary game theory teaches us to explicitly model the behavior of individuals outside equilibrium. This may provide us with a better understanding of the dynamic forces within a society of interacting individuals. 相似文献