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101.
The Academy of Management formally adopted a Code of Ethical Conduct in 1990. During the subsequent 15 years, almost nothing had been published about it and its value as a formal document meant to guide professional practice. Rather surprisingly then, in December 2005 an entirely new Code of Ethics was introduced by the Academy’s Board, to take effect in February 2006. Why was a new code promulgated? More broadly, what do the contents of these codes, the processes of their promulgation, and their expressed purposes, suggest about the value of such codes for similarly situated professional associations, in general? This article seeks to identify key strengths and weaknesses of the original code, begin an assessment of the potential value of the new code, and so stimulate debate. Further, not only is this a call to the members of the Academy to engage in some thoughtful debate and possible amendment of its new code, but also a caution to all such associations to take seriously the hurdles that must be jumped before any code can be developed and promulgated to worthwhile effect.  相似文献   
102.
The purpose of this note is to examine incumbent behaviour and patterns of entry under R&D competition with spillovers. We find that, in addition to blockading, deterring and accommodating entry, the incumbent may also solicit entry. Entry solicitation occurs when the incumbent strategically alters its R&D commitment in order to take advantage of the spillover generated by the entrant's subsequent R&D investment. Although our results are placed in the context of R&D with spillovers, they are applicable to a wider class of models involving positive externalities, particularly network externalities.
JEL Classification Numbers: L12, O31.  相似文献   
103.
Diminishing marginal utility (DMU) is neither necessary nor sufficient for downward-sloping demand. Yet, upper-division undergraduate and beginning graduate students often presume otherwise. This paper provides two simple counter-examples that can be used to help students understand that the Law of Demand does not depend on DMU. The examples are accompanied with the geometry and basic mathematics of the utility functions and the implied ordinary/Marshallian demands.  相似文献   
104.
It is apparent that more and more organizations are embarking on collaborative ventures to develop products. This is particularly evident in Information and Communication Technology (ICT) sectors, so much so that part of the 'received wisdom' of ICT companies is that collaboration is the preferred route for product development. The benefits of collaboration have been well documented and are linked to the complexity and costliness of product development and the need for inputs from wide and varied areas of expertise as well as shorter lead times for product development. But the risks and costs of collsborative product development have been less well defined. In this paper, it is argued that the alleged rewards of collaboration may not be experienced in practice and that collaboration can lengthen the product development process, add to the cost of product development and prove difficult to control. However, management practice can facilitate the effective outcome of collaborative product development and the critical factors affecting the likelihood of successful management practice are presented here.  相似文献   
105.
Abstract . Application of the land value tax has been described for many natural resources. However, the problems encountered with flowing underground resources have not been fully discussed. Groundwater is one such flowing resource that affects the value of surface land. The underground water is also subject to its own market forces. If a Georgist tax is to be applied to groundwater or to land affected by it, the administrator of the tax must consider the interplay that occurs between the two resource markets. A system of separable property rights to the two resources offers the prospect for efficient use. But the monitoring of ground water use must accompany such a separation.  相似文献   
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