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1.
Duong Nguyen Suchismita Mishra Arun Prakash Dilip K. Ghosh 《The Journal of Financial Research》2007,30(3):379-398
We examine whether the use of the three‐moment capital asset pricing model can account for liquidity risk. We also make a comparative analysis of a four‐factor model based on Fama–French and Pástor–Stambaugh factors versus a model based solely on stock characteristics. Our findings suggest that neither of the models captures the liquidity premium nor do stock characteristics serve as proxies for liquidity. We also find that sensitivities of stock return to fluctuations in market liquidity do not subsume the effect of characteristic liquidity. Furthermore, our empirical findings are robust to differences in market microstructure or trading protocols between NYSE/AMEX and NASDAQ. 相似文献
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Summary The exact mean square error for the ratio estimator of a finite population total based on simple random sampling without replacement
is shown to have an expected value less than that of the variance of the ratio estimator based on Midzuno’s scheme, under
a usual super-population model. 相似文献
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Prabhakar Adhikari Hailu Araya Gerald Aruna Arun Balamatti Soumik Banerjee P. Baskaran 《国际农业可持续发展杂志》2018,16(1):1-28
With continually increasing demand for food accompanied by the constraints of climate change and the availability and quality of soil and water, the world’s farmers are challenged to produce more food per hectare with less water, and with fewer agrochemical inputs if possible. The ideas and methods of the system of rice intensification which is improving irrigated rice production are now being extended/adapted to many other crops: wheat, maize, finger millet, sugarcane, tef, mustard, legumes, vegetables, and even spices. Promoting better root growth and enhancing the soil’s fertility with organic materials are being found effective means for raising the yields of many crop plants with less water, less fertilizer, reduced seeds, fewer agrochemicals, and greater climate resilience. In this article, we review what is becoming known about various farmer-centred innovations for agroecological crop management that can contribute to agricultural sustainability. These changes represent the emerging system of crop intensification, which is being increasingly applied in Asian, African, and Latin American countries. More research will be needed to verify the efficacy and impact of these innovations and to clarify their conditions and limits. But as no negative effects for human or environmental health have been identified, making these agronomic options more widely known should prompt more investigation and, to the extent justified by results, utilization of these methodologies. 相似文献
7.
On the robustness of the fat-tailed distribution of firm growth rates: a global sensitivity analysis
G. Dosi M. C. Pereira M. E. Virgillito 《Journal of Economic Interaction and Coordination》2018,13(1):173-193
Firms grow and decline by relatively lumpy jumps which cannot be accounted by the cumulation of small, “atom-less”, independent shocks. Rather “big” episodes of expansion and contraction are relatively frequent. More technically, this is revealed by the fat-tailed distributions of growth rates. This applies across different levels of sectoral disaggregation, across countries, over different historical periods for which there are available data. What determines such property? In Dosi et al. (The footprint of evolutionary processes of learning and selection upon the statistical properties of industrial dynamics. Industrial and corporate change. Oxford University Press, Oxford, 2016) we implemented a simple multi-firm evolutionary simulation model, built upon the coupling of a replicator dynamic and an idiosyncratic learning process, which turns out to be able to robustly reproduce such a stylized fact. Here, we investigate, by means of a Kriging meta-model, how robust such “ubiquitousness” feature is with regard to a global exploration of the parameters space. The exercise confirms the high level of generality of the results in a statistically robust global sensitivity analysis framework. 相似文献
8.
Using a sample of U.S. lodging firms, this paper examines the relationship between board of director characteristics and chief executive officer (CEO) compensation. Previous research shows that larger boards are detrimental to the effectiveness of the board of directors and deteriorate the control imposed on CEO actions and pay. Board independence is also suggested as an important quality to emphasize the control on the CEO. We propose that U.S. lodging firms’ board of directors provide a nice setting to investigate the effects of size and independence on CEO compensation level. Our findings suggest that CEO compensation is not related to board size, and positively related to proportion of the outside board members. These findings are contrary to the findings of previous studies. Our findings may provide significant insights to lodging firms’ board of directors to structure efficient compensation packages. 相似文献
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We empirically examine whether adopting a uniform set of accounting standards mitigates information frictions in financial markets and facilitates market integration. Using a difference‐in‐difference design, we find that after the mandatory adoption of IFRS local stock returns incorporate more global information and at a faster speed. The effect of IFRS adoption is stronger in countries where there are larger improvements in accounting comparability and for firms with a larger increase in foreign ownership. Overall, our results suggest that accounting standards harmonization facilitates financial market integration. 相似文献
10.
Suchismita Mishra Arun J. Prakash Gordon V. Karels Manferd Peterson 《Journal of Economics and Finance》2005,29(1):85-96
The present study empirically examines the contribution of the acquired banks in only the nonconglomerate types of mergers
(i.e., banks with banks), where the bulk of the payment is in the form of equity to the acquiring bank and finds overwhelmingly
statistically significant evidence that nonconglomerate types of mergers definitely reduce the total as well as the unsystematic
risk while having no statistically significant effect on systematic risk. Therefore, it seems that diversification may be
a possible motive for bank mergers. 相似文献