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171.
Ohne Zusammenfassung 相似文献
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Based on social-cognitive theory, this article proposes a model that seeks to explain why high status organizational members
engage in unethical behavior. We argue that status differentiation in organizations creates social isolation which initiates
activation of high status group identity and a deactivation of moral identity. We further argue that high status group identity
results in insensitivity to the needs of out-group members which, in turn, results in lessened motivation to self-regulate
ethical decision making. As a result of this identity activation, we demonstrate how high status individuals will be more
vulnerable to engaging in unethical activities. Individual-level moderators of the relationships are also discussed. 相似文献
175.
The empirically-observed cross-sectional relation between the level of insider share ownership and the level of firm value has often been interpreted to mean that a change in share ownership can lead to a change in firm value. Such an interpretation has been criticized for ignoring potential endogeneity. In this paper, we perform two sets of tests to circumvent this alleged endogeneity. First, we measure changes in value over the 6-day interval around announcements of insider share purchases and find that the cross-sectional variability in changes in value is described by a curvilinear relation between firm value and insider ownership where the value of the firm first increases, then decreases, as insider share ownership increases. Second, we conduct tests to determine (1) whether the insider purchases are a response to changes in firm characteristics that require a new optimal equilibrium ownership level or (2) whether insiders are purchasing shares to signal that the firm is undervalued. We find no evidence to support these interpretations. Overall, our results are consistent with a causal interpretation of the empirical relation between insider ownership and firm value. 相似文献
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Which one should I imitate? 总被引:1,自引:0,他引:1
Karl H. Schlag 《Journal of Mathematical Economics》1999,31(4):330
An individual repeatedly faces the same decision. Payoffs generated by his available actions are noisy. This individual forgets earlier experience and is limited to learn by observing current success of two other individuals. We select among behavioral rules that lead an infinite population of identical individuals in the long run to the expected payoff maximizing action. Optimal behavior requires learning by imitation. The second most successful in a sample must sometimes be imitated although the most successful will always be imitated with a higher probability. Inertia is optimal. When each individual follows an optimal rule, then the population evolves according to an aggregate monotone dynamic. 相似文献
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The empirical finding that exporting firms are more productive on average than non‐exporters has provoked a large theoretical literature based on models such as Melitz ( 2003 ), where more productive firms are more likely to overcome costs associated with trade. This paper investigates how closely the productivity heterogeneity framework fits the data from a firm‐level survey that includes information on export destinations and firm characteristics such as productivity. We find a high degree of unpredictable idiosyncratic participation in export markets by firms and a relatively weak positive correlation between the extent of a firm's export market participation and its export sales. We find that a small number of standard gravity variables provide a close fit to the country‐level determinants of trade but that greater variation results in more difficulty in explaining firm‐specific factors driving exporting behaviour. We also illustrate some elements of the dynamics over time in firm exporting patterns by destination. We show that lagged exporting activity has a significant effect on a firm's current exporting profile. 相似文献
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