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1.
The role of traders and traditional exchange institutions has received little attention in empirical research on rural markets in developing countries. We use detailed data on transactions in a village commodity market in India and identify two observed anomalies: first, the repeal of the law of one price, and second, a trader‐idiosyncratic effect, namely that large volumes are sold to a trader who does not offer the best price. Econometric analysis demonstrates that trader idiosyncrasy can largely be explained by reciprocity motives in interlocked village markets. Reciprocity leads to market inefficiencies and can result in unexpected supply responses. 相似文献
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Jean Lemaire A.S.A. Ph.D. Krupa Subramanian A.S.A. Katrina Armstrong M.D. David A. Asch M.D. M.B.A. 《North American actuarial journal : NAAJ》2013,17(2):75-87
Abstract We estimate the increased mortality and term life insurance costs for women who have a family history of breast or ovarian cancer. Using data from the medical literature on age-specific and family history-specific incidence rates, we develop double-decrement models to evaluate the actuarial impact of breast cancer and ovarian cancer in the family. We also calculate the increased mortality and term insurance costs for women who test positive for the BRCA1 or BRCA2 gene mutation. We find that the type of affected relative and her age at onset of the disease are key underwriting factors. We find substantial mortality increases (up to 100%) for women with two relatives with cancer and women with a first-degree relative who developed cancer at an early age. Mortality increases for women with the BRCA gene mutation reach 150%. While some females with a family history of cancer can be accepted at standard rates, others may need to be quoted substandard rates, depending on the underwriting policy of the company. Females with the gene mutation can possibly be accepted at a rate that incorporates a severe mortality surcharge. 相似文献
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Institutions Rule: The Primacy of Institutions Over Geography and Integration in Economic Development 总被引:14,自引:1,他引:14
We estimate the respective contributions of institutions, geography, and trade in determining income levels around the world, using recently developed instrumental variables for institutions and trade. Our results indicate that the quality of institutions trumps everything else. Once institutions are controlled for, conventional measures of geography have at best weak direct effects on incomes, although they have a strong indirect effect by influencing the quality of institutions. Similarly, once institutions are controlled for, trade is almost always insignificant, and often enters the income equation with the wrong (i.e., negative) sign. We relate our results to recent literature, and where differences exist, trace their origins to choices on samples, specification, and instrumentation. 相似文献
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Dr. R.Subramanian 《现代会计与审计》2010,6(7):19-25,37
There is a prevalent opinion in the corporate arena that the foreign companies are earning more but are less concerned with reinvesting their earnings in the foreign countries in which they operate and are more concerned in profit appropriations for quick repatriation of their investments by way of declaring high dividend payments. As compared to the foreign companies, domestic companies in India are relatively more concerned for reinvesting their profits and help to trigger the capital accumulation and industrial growth. This practice of comparatively paying higher dividend by foreign companies in India, if proved, supports the view that foreign companies are least concerned with the industrial growth of the country in which they operate. Hence the analyses of the dividend payments and the retained earnings of foreign and domestic firms assume economic importance. Considering the above hypothesis and the importance of the study, this paper made an attempt to empirically test the opinion and bring out any significant differences in the profitability and dividend payments between the two groups often pharmaceutical companies operating in India for the period of last 20 years. 相似文献
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Aid, Dutch disease, and manufacturing growth 总被引:3,自引:0,他引:3
Raghuram G. RajanArvind Subramanian 《Journal of development economics》2011,94(1):106-118
We examine the effects of aid on the growth of manufacturing, using a methodology that exploits the variation within countries and across manufacturing sectors, and corrects for possible reverse causality. We find that aid inflows have systematic adverse effects on a country's competitiveness, as reflected in the lower relative growth rate of exportable industries. We provide some evidence suggesting that the channel for these effects is the real exchange rate appreciation caused by aid inflows. We conjecture that this may explain, in part, why it is hard to find robust evidence that foreign aid helps countries grow. 相似文献
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Srinivas Ramanathan P. Venkat Rangan Harrick M. Vin 《Journal of Organizational Computing & Electronic Commerce》2013,23(3-4):277-302
Advances in computer and communication technologies have stimulated the integration of digital video and audio with computing, leading to the development of various computer‐assisted collaborations. In this article, we propose a multilevel conferencing paradigm called super conference for supporting collaborative interactions between geographically separated groups of users, with each group belonging to possibly a different organization. In a super conference, each participant must receive and display the composite media stream obtained by mixing media streams transmitted by all the other participants. Hierarchical communication architectures are naturally suited for media mixing in super conferences. We present algorithms for designing hierarchical mixing architectures that optimize real‐time end‐to‐end delays of media. In order to improve their real‐time performance further, we propose multistage mixing techniques by which mixers can carry out mixing concurrently with communication. Surprisingly, the optimal architectures for multistage mixing are widely different from those of monostage mixing (in which, mixing and media communication sequential as opposed to concurrent). Based on real‐time delay constraints of multimedia, we obtain interesting limits on the sizes of both super conferences and groups within super conferences in optimal hierarchical architectures, which go to show their high scalability in terms of both the maximum number of participants and the geographical separation between them. At the Multimedia Laboratory at the University of California, San Diego, we have implemented a conferencing system on an environment of Sun SPARCstations equipped with digital multimedia hardware. As an interesting application of the conferencing system, we have developed a telepresenter by which users can remotely attend lectures in progress. We present initial experiences with the system. 相似文献
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Venkat Ramaswamy 《Marketing Review St. Gallen》2009,26(6):11-17
Co-creation is the process by which products, services, and experiences are developed jointly by companies and their stakeholders,
opening up a whole new world of value. Firms must stop thinking of individuals as mere passive recipients of value, to whom
they have traditionally delivered goods, services, and experiences. Instead, firms must seek to engage people as active co-creators of value everywhere in the system. 相似文献