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81.
82.
Hang Markus Geyer-Klingeberg Jerome Rathgeber Andreas W. Alasseur Clémence Wichmann Lena 《Review of Quantitative Finance and Accounting》2021,56(2):789-818
Review of Quantitative Finance and Accounting - This study analyzes the interaction effects of corporate hedging activities of electric utility firms facing a manifold risk exposure consisting of... 相似文献
83.
In this paper, we study the effect of subsidised on-the-jobtraining, training for the unemployed and pure wage subsidieson job tenure. Correcting for selection biases, we find thateach of the labour market policies increases the length of jobtenure. Despite the sensitivity of the estimates to the parametricassumptions with respect to the unobservables, the effect ofsubsidised on-the-job training schemes is always found to besignificantly positive. Training programs for the unemployedand pure wage subsidies always have a positive, but statisticallynon-significant effect Our results provide some support forhuman capital theories as opposed to matching theories. 相似文献
84.
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
85.
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
86.
87.
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
88.
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
89.
Bruno Nkuiya 《Environmental and Resource Economics》2013,55(3):337-355
This paper considers a trade situation where the production activities of potentially heterogeneous countries generate pollution which can cross borders and harm the well-being of all the countries involved. In each of those countries the policy maker levies pollution taxes on the polluting firms and a tariff on imports in order to correct that distortion. The purpose of the paper is to investigate the effect of a reduction in the tariff on equilibrium pollution taxes and welfare. The existing literature has investigated this problem for trade between two identical countries. This paper analyzes the problem in the more realistic context where countries are not necessarily identical and trade can be multilateral. It becomes possible to show what bias is introduced when those two realities are neglected. I find that a tariff reduction can actually lower output; it can also lower welfare even if pollution is purely local. 相似文献
90.
Olivier Mortehan Bruno Van Pottelsberghe De La Potterie 《Technology Analysis & Strategic Management》2013,25(2):127-144
In the information technology (IT) industry, which confronted a major transition phase during the 1990s, partnerships became a strategic component of the new ‘divided technical leadership’ that emerged from the industry's vertical disintegration. This paper attempts to evaluate the impact of 1676 partnerships on the financial performance (revenue and profit) of 14 large firms and 725 of their partners. On average, there is a positive impact of collaborative agreements on large incumbents and their partners' financial performance. These results vary according to the type, form and content of the agreement and according to the partner's field of activity. Incumbents get the most benefit from broad informal alliances while smaller and more hierarchical forms of partnerships (consortia, joint-ventures) do profit to their partners. For large incumbents, partnerships are more effective with partners from the services industry than with partners from the IT industry. 相似文献