The purpose of market definition in a merger or nonmerger antitrustanalysis is to identify products that are important substitutesto those produced by the firms being investigated. The marketdefinition exercise includes determining both the product market,that is, which products are important substitutes, and the geographicmarket, that is, which firms are physically close enough toprovide viable substitutes. The 1992 United States Departmentof Justice and Federal Trade Commission Horizontal Merger Guidelinesdefine a product (geographic) market as the smallest set ofproducts (area) such that a hypothetical monopolist of theseproducts could increase price a small but significant amount,typically 5% to 10%. The Guidelines approach to market definitionis somewhat artificial since a product (area) is said to beeither "in" or "out" of the market. Because most products aredifferentiated, there is rarely a clear demarcation betweenproducts that are important substitutes and those . . . [Full Text of this Article]        相似文献   
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Law,psychology, and the "new sciences": rethinking mental illness and dangerousness     
Williams CR  Arrigo BA 《International journal of offender therapy and comparative criminology》2002,46(1):6-29
Clinical and legal research on the meaning of mental illness and on definitions (and predictions) of dangerousness continue to offer the mental health law arena mostly disappointing results. In this article, the authors argue that much of this failure is linked to the prevailing Newtonian paradigm of cause-effect relationships, linear logic, and absolute order. In its place, the authors draw attention to the "new sciences"; that is, advances generated from quantum physics and chaos theory. To situate the analysis, the authors explore how psycholegal decision making unfolds. Specifically, the authors examine what contributions the new sciences offer society on the nature and meaning of psychiatric disorder and on the forecasting of violence. Along the way, the authors suggest how the new sciences advance the regard for citizen justice within the domain of mental health law.  相似文献   
899.
Economic Perceptions and Vote Choice: Disentangling the Endogeneity     
Wlezien  Christopher  Franklin  Mark  Twiggs  Daniel 《Political Behavior》1997,19(1):7-17
Much previous research shows that variation in vote choice closely follows variation in economic perceptions over time. A number of scholars argue that the pattern is rooted in cross-sectional effects and have found apparent evidence of such effects. However, most of these studies do not take into account the possibility that economic perceptions are themselves structured by vote choice, which poses potentially serious implications. We begin to address this endogeneity, focusing specifically on Lewis-Beck's (1988) analysis of economic voting. The results suggest that the cross-sectional effects of the economy on vote choice have been substantially overstated.  相似文献   
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Testing Rival Decision–Making Theories on Budget Outputs: Theories and Comparative Evidence     
Christopher G. Reddick 《Public Budgeting & Finance》2002,22(3):1-25
This study demonstrates the link between the degree of economic rationality and budgetary decision–making outputs for Canada, the United Kingdom, and the United States. Three empirical models are derived with low, intermediate, and high degrees of economic rationality, namely, "garbage can," incrementalism, and rational choice budgeting, respectively. The methods used are time series analyses on real disaggregated national government budget outputs for the post–World War II period for Canada, the United States, and the United Kingdom. There was some support found for budgetary incrementalism, and the most consistent support for rational choice budgeting. There was no support for garbage can budgeting.  相似文献   
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891.
Fifty known siblings and fifty unrelated pairs were genotyped using the ABI Identifiler STR system and sibship indices computed for each pair. Combined sibship indices (CSIs) for the known siblings ranged from less than 10 to greater than 1 billion. CSIs for the unrelated pairs ranged from 4.5 x 10(-8) to 0.12. In the known sibling group the percentage of loci where both alleles matched was approximately 40%, while the percentage of loci where neither matched was approximately 10%. In the non-sibling group, the percentage of loci where both alleles matched was approximately 6%, while the percentage of loci where neither matched was approximately 45%. Interestingly, the percentage of loci where a single allele matched was the same in both the known siblings and unrelated pairs, approximately 50%.  相似文献   
892.
This article considers the following. Digital coding of information is far less extensive than the complexity and much less radical than the digital coding of selection among information which establishes the legal system. Niklas Luhmanns theory is the principal example of an appreciation for the latter. Luhmann presented the design for understanding law as autopoietic, a law legitimated and sustained by legal procedure.  相似文献   
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The purpose of this paper is to present the horizontal sectioning technique used by odontologists at the Central Identification Laboratory to sample dentin for mtDNA analysis. From the perspective of DNA testing, anthropologists and odontologists at the Central Identification Laboratory work with ancient remains. In many instances, the lack of comprehensive antemortem records, the potential for fragmentation and commingling, and environmental exposure makes the use of traditional forensic identification techniques difficult or impossible. Teeth are highly resistant to environmental degradation and are an excellent source of mitochondrial DNA (mtDNA). This technique is simple, quick, and relatively conservative, allowing for preservation of the majority of the external portion of the tooth structure.  相似文献   
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Send correspondence to: Daniel Hosken, Federal Trade Commission, 600 Pennsylvania Ave. NW, Washington, DC 20850; E-mail: dhosken@ftc.gov. The first 150 words of the full text of this article appear below.
   1. Introduction    2. Limitations of Price Studies for Market Definition    3. Difficulty of Implementation    4. Conclusion
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