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Frederick D. S. Choi Changwoo Lee 《Journal of International Financial Management & Accounting》1991,3(3):219-240
We examine the effects of international accounting diversity on the market for corporate control with particular reference to whether national differences in the treatment of purchased goodwill are associated with differences in premia offered by U.K. as opposed to U.S. acquirers of U.S. targets. We find merger premia associated with U.K. acquisitions to be consistently higher than those for U.S. acquisitions. Moreover, higher premiums offered by U.K. acquirors appear to be associated with not having to amortize goodwill to earnings. The evidence provided here suggests that national differences in accounting impact differentially on managerial behavior. 相似文献
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Changwoo Choi Author Vitae Author Vitae 《Technological Forecasting and Social Change》2009,76(6):754-2500
As the strategic importance of understanding changes in technology for successful business of most firms increases, the ability to analyze and monitor the current stage and history of technology is reckoned as a critical asset both for gaining competitive advantage and identifying promising niches. Patent citation networks have been widely used for systematic and empirical analysis of technology development. Understanding of technology's detailed changes in large patent citation networks, however, is difficult to achieve because of these networks' large and complex structures. To overcome this problem, we suggest an algorithm that identifies patent development paths from a large patent citation network by evaluating the weight of citations between patents. We then apply this algorithm to flash memory patents in an empirical study. Our algorithm is a new methodology that can be used to analyze the dynamic and complex structure of individual technologies. 相似文献
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Effects of Alternative Goodwill Treatments on Merger Premia: Further Empirical Evidence 总被引:1,自引:0,他引:1
Changwoo Lee Frederick D. S. Choi 《Journal of International Financial Management & Accounting》1992,4(3):220-236
In this study, we extend our analysis of the effects of international accounting diversity on market behavior. Specifically we examine whether national differences in the treatment of purchased goodwill are associated with differences in premia offered by non-U.S. acquirers other than the British when bidding for U.S. target companies. We find merger premia offered by foreign acquirors who enjoy advantageous accounting or tax treatments relative to U.S. acquirors to be higher, on average, than those offered by U.S. acquirors. Regression analyses show that goodwill accounting does explain merger premia. The higher coefficient on goodwill in German acquisitions, relative to Japanese acquisitions, indicates that merger premia are associated with accounting diversity among various countries in the sense that, while tax benefits are available in both Japan and Germany, more favorable accounting treatments are operative in the latter. 相似文献
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A patent-based cross impact analysis for quantitative estimation of technological impact: The case of information and communication technology 总被引:1,自引:0,他引:1
The increasing syntheses and interactions between various technologies increase the usefulness of cross impact analysis (CIA) as a method for forecasting and analyzing them. Conventional CIA depends on an expert's qualitative judgment or intuition and thus it is difficult to evaluate quantitatively the impact of one technology on another. In this study, we employ patent analysis in CIA to examine such impacts between technologies based on multiple patent classifications. Patent information is used for facilitating quantitative and systematic approach in CIA. The distinctive feature and main contribution of the proposed approach is the overcoming of the limitations of conventional CIA, by employing conditional probabilities based on the patent information. The classification of patents, particularly the multiple classifications, is used to evaluate the relationships between technologies. As an illustration, a patent-based CIA with information and communication technologies (ICTs) was conducted. Firstly, the patent-based cross impact among ICTs was calculated. Secondly, the technology pairs were classified based on the cross impact score between ICTs. Thirdly, a cross impact network was constructed to identify the complex relation among ICTs. Finally, the changes in cross impact scores between technologies over time were analyzed. The results of this research are expected to help practitioners to forecast future trends and to develop better R&D strategies. 相似文献
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