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101.
We propose dynamic programming coupled with finite elements for valuing American-style options under Gaussian and double exponential jumps à la Merton [J. Financ. Econ., 1976, 3, 125–144] and Kou [Manage. Sci., 2002, 48, 1086–1101], and we provide a proof of uniform convergence. Our numerical experiments confirm this convergence result and show the efficiency of the proposed methodology. We also address the estimation problem and report an empirical investigation based on Home Depot. Jump-diffusion models outperform their pure-diffusion counterparts. 相似文献
102.
A signal may be more effective the greater the number of people who use the same signal, thereby creating a network externality and potentially generating multiple equilibria. A subsidy to the signal can increase efficiency, and the signalers may benefit from the subsidy even if they pay taxes to finance it. But people who benefit from the signal may oppose too large a subsidy, because a large subsidy could destroy the signaling value. 相似文献
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104.
Spend as I say,not as I do: Children,families and household consumption in different socio‐economic contexts 下载免费PDF全文
Raquel B. Ribeiro Jaime R. S. Fonseca Isabel Soares 《International Journal of Consumer Studies》2018,42(5):566-582
This article aims at contributing to a body of work about children and families by exploring the importance of socio‐economic context and social capital for understanding the ways in which money is perceived, obtained and used by children. Alleged contrasts in terms of money management, consumption priorities and postponement of gratification, especially among middle and working classes, have already been debated. It seems thus relevant to investigate if these presumable contrasts apply to children and why. Do children from different socio‐economic contexts reveal the traits that have been attributed to their households? To this end, a mixed methods research project was developed involving 245 children attending different primary schools in Portugal—one private school targeted at upper class children and one state‐sponsored school located in a working‐class area. The results revealed significant differences by school and household typology. 相似文献
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106.
André Roncaglia de Carvalho Rafael S. M. Ribeiro André M. Marques 《International Review of Applied Economics》2018,32(4):546-565
This paper studies the relation between inflation and economic development. The literature is largely silent regarding both the theoretical and empirical perspectives that undeveloped countries endure higher average inflation than developed economies. We present a simple theoretical model linking the inflation phenomenon to the tradition of development economics. Empirical evidence is garnered to test the hypothesis that economic development engenders a downward bias to inflation rates. Through the feasible-GLS estimator in a panel of 65 countries from 2001 to 2011, we aim at listing a number of variables most commonly used to explain differences in the stage of economic development across countries and identifying the most statistically relevant ones to account for differences in inflationary patterns. While our results show that inflation is inversely correlated with the level of the technological content of the economy (measured by share of high-tech exports), human capital and cyclical unemployment, it is directly related to the degree of inflation persistence and terms of trade growth. However, our findings still present an inverse and low correlation between inflation persistence and economic development, implying that development-sensitive variables allowed into the model can only partially account for the differences in inflation at different levels of economic development. 相似文献
107.
Domingo Ribeiro Soriano 《Journal of Business Research》2010,63(5):463-470
This paper analyzes high-technology firms within the European Union to determine the factors that influence performance through business productivity. The study examines six different factors that are representative of entrepreneurial activity, firstly from a purely business standpoint, and subsequently from the areas of production and technology, human resources, strategy and marketing and, lastly, the economic-financial area. Results indicate a direct relation between productivity and factors such as private borrowing, dynamism or using price as a strategic factor, while the reverse is true for concepts such as family resources, level of investment in R&D or training programs. 相似文献
108.
Maria Do Ceu Ribeiro Cortez Dean A. Paxson Manuel Jose Da Rocha Armada 《European Journal of Finance》2013,19(4):342-365
Recent evidence suggests that future performance is predictable from past performance, that is, funds with superior (inferior) performance in the past are likely to remain good (bad) performers in the future. This research addresses the persistence of mutual fund performance in a European regional market (the Portuguese equity fund market). Some of the problems in evaluating fund persistence are identified in the context of limited sample size and using the peer group median as a benchmark for contingency table analysis of performance persistence. The criteria for assessing performance persistence based on the contingency table methodology of repeated winners and losers are presented in terms of significance statistics, adjusted for small sample bias. The adjustments are accomplished through the Yates continuity correction and Fisher's exact p-value. The appropriateness of each criteria under different circumstances is also discussed. The analysis of the returns of all Portuguese domestic equity funds, since a representative number was established, shows some performance persistence (on a quarterly basis). The persistence, however, is reduced when the returns are controlled for the various dimensions of risk. Significant risk persistence has been documented. Furthermore, for more or less frequent intervals of measurement, the industry persistence is rejected, although individual funds exhibit superior/inferior performance. 相似文献
109.
Bruno C. Giovannetti 《Review of Financial Economics》2013,22(4):169-179
“Focus on the downside, and the upside will take care of itself” is a famous quote among professional investors. By considering an agent who follows this advice, we reproduce the first and second moments of stock returns, risk-free rate and consumption growth. The agent's behavior toward risk is analogous to a relative risk aversion of about 3 under expected utility, the elasticity of intertemporal substitution is about 0.5 and the time discount factor is below 1. In particular, the proposed model separates time and risk preferences in an innovative way. 相似文献
110.
Bruno Chiarini 《Applied economics》2013,45(6):707-716
Previous studies point to a generally efficient baseball betting market with no profitable betting strategies. However, failure to consider the time of year in which the bets are placed neglects differences in available information throughout the season. This analysis largely confirms the general efficiency of the major league baseball betting market by existing measures; however, incorporating the time of the year in which the bet is made generates persistent profitable betting strategies. The process by which information impacts returns is considered; increasing difficulties in determining the true favourite likely play the largest role, while assessing the exact favourite underdog relationship also has an impact. 相似文献