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11.
In this paper, we show that long run market informational inefficiency and informational cascades can easily happen when trades occur at market clearing prices. We consider a sequential trade model where: (i) the investors’ set of actions is discrete; (ii) dealers and investors differ in risk aversion; (iii) investors’ information is bounded. We show that informational cascade occurs as soon as traders’ beliefs do not differ too sharply. Thus, prices cannot fully incorporate the private information dispersed in the economy. 相似文献
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Abstract Public sector organizations are simultaneously subject to three types of environmental pressure: institutional, economic and political. How do these pressures influence the strategic behaviour of public organizations when confronted with efficiency-oriented reforms? We focus on the strategic behaviour of Swiss municipalities facing the amalgamation wave: a reform characterized by a strong economic rationale. Results confirm that the success of reforms depends not only on its matching with economic underpinnings. It is also necessary to take the political leadership and the responsibility of reform implementation. 相似文献
13.
Giovanni Di Stefano Fabrizio Scrima Emma Parry 《International Journal of Human Resource Management》2013,24(17):2482-2503
AbstractThis study investigated the impact of organizational culture (OC) on deviant behaviors in the workplace (workplace deviant behaviors: WDB). We tested the hypothesis that different types of OC (according to the Competing Values Framework model) had an impact on WDB, in addition to the effect of Big Five personality traits. Survey research was undertaken with 954 employees of 30 enterprises in the public and private field, using a hierarchical model approach (HLM) to test the effects of four types of OC (Clan; Adhocracy; Market, Hierarchy) on WDB, over and above the effect of Five Personality traits. The HLM results partially supported our hypotheses, showing that the OC had a significant effect on WDB, with the adhocracy and clan cultures characterized by lower levels of WDB. Managerial implications about the importance of managing the OC are discussed. 相似文献
14.
A portfolio approach in the e-purchasing of materials 总被引:1,自引:1,他引:1
By improving the procurement process purchasing departments are becoming more and more strategic in order to increase overall companies performances. In the last years, web-based tools have effectively supported this trend by offering to buyers useful tools in order to help their activities. Purchasing departments have now to choose the right tool for the right purchase in the right supply market; for this reason it is important for them to adopt a portfolio approach exploiting all the different solutions offered by the technology according to the different situations.In this perspective, this paper identifies four most common purchasing approaches adopted by companies, which drivers are considered to choose among these, and which level of performances companies achieve through the identified approaches.Empirical evidence is based on a survey research involving 162 US companies. 相似文献
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Innovation is by far one of the most important competitive priorities in the current business context. Companies increasingly rely on their supply base to support their innovation potential. As a consequence, the purchasing department might dramatically affect the firm??s innovation capability. This paper aims to investigate??using a multiple case study approach??how the organizational design of the purchasing department could determine a firm??s capability to foster and manage innovation. Seven highly innovative companies were visited and the structures of their purchasing departments were analyzed. Three different configurations for the purchasing department were identified and described. 相似文献
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Modeling society with statistical mechanics: an application to cultural contact and immigration 总被引:1,自引:0,他引:1
We introduce a general modeling framework to predict the outcomes, at the population level, of individual psychology and behavior.
The framework prescribes that researchers build a cost function that embodies knowledge of what trait values (opinions, behaviors,
etc.) are favored by individual interactions under given social conditions. Predictions at the population level are then drawn
using methods from statistical mechanics, a branch of theoretical physics born to link the microscopic and macroscopic behavior
of physical systems. We demonstrate our approach building a model of cultural contact between two cultures (e.g., immigration),
showing that it is possible to make predictions about how contact changes the two cultures. 相似文献
20.
We analyze an all-pay group contest in which individual members’ efforts are aggregated via the best-shot technology and the prize is a public good for the winning group. The interplay of within-group free-riding and across-group competition allows for a wide variety of equilibria, according to how well groups overcome internal free-riding. In contrast with the existing literature, we derive equilibria of a symmetric model in which multiple agents per group are active. Our findings differ qualitatively from those of the individualistic all-pay auction: rents are not necessarily dissipated in equilibrium, total expected efforts vary across equilibria, and participation is expected to be greater. Moreover, equilibria with greater symmetry of behavior within a group are shown to have more “wasted” effort but also greater payoffs as overall efforts are lower. In contrast to standard economic intuition, free-riding can be beneficial for players as it reduces competition among groups. Examples of asymmetric group contests are also studied. 相似文献