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111.
Philippe Jéhiel 《Games and Economic Behavior》1998,22(2):274-298
This paper provides a learning justification for limited forecast equilibria, i.e., strategy profiles such that (1) players choose their actions in order to maximize the discounted average payoff over their horizon of foresight as given by their forecasts and (2) forecasts are correct on and off the equilibrium path. The limited forecast equilibria appear to be the stochastically stable outcomes of a simple learning process involving (vanishing) trembles.Journal of Economic LiteratureClassification Numbers: C72, D83. 相似文献
112.
We use a contingent-claims approach to determine the market value of preventive investments. We show that the lower the initial probability of accident, the greater is the market value of a reduction in this probability. Besides, at initially low probabilities, ceteris paribus, the market gives a higher value to a reduction in accident probability when aggregate (correlated) catastrophic risks rather than independent ones are involved. The reverse occurs at initially high probabilities. 相似文献
113.
Philippe Fontaine 《American journal of economics and sociology》1998,57(3):333-339
Abstract . Response to Sandra J, Peart, “Jevons and Menger Re-homogenized?: Jaffé After 20 Years,” 1998. The American Journal of Economics and Sociology 57(July): 307-325. 相似文献
114.
The value of an asset is generally not known a priori, and it requires costly investments to be discovered. In such contexts with endogenous information acquisition, which selling procedure generates more revenues? We show that dynamic formats, such as ascending‐price or multistage auctions, perform better than their static counterpart. This is because dynamic formats allow bidders to observe the number of competitors left throughout the selling procedure. Thus, even if competition appears strong ex ante, it may turn out to be weak along the dynamic format, thereby making the option to acquire information valuable. This very possibility also induces the bidders to stay longer in the auction, just to learn about the state of competition. Both effects boost revenues, and our analysis provides a rationale for using dynamic formats rather than sealed‐bid ones. 相似文献
115.
Thomas AMOSS Philippe ASKENAZY Martin CHEVALIER Christine ERHEL Hloïse PETIT Antoine REBRIOUX 《Revista Internacional del Trabajo》2019,138(3):495-521
En este estudio comparativo, los autores analizan los vínculos entre las relaciones laborales y los ajustes salariales o de plantilla tras la crisis de 2007–2008, a partir de dos encuestas comparables sobre empresas de Gran Bretaña (WERS) y de Francia (REPONSE) en 2010–2012. Pese a las diferencias contextuales (composición del tejido productivo, circunstancias temporales e intensidad de la crisis), los vínculos entre las relaciones laborales y las estrategias de ajuste son parecidos (la presencia sindical no logra evitar los ajustes). Por lo tanto, la diferenciación de los sistemas de relaciones laborales no permite explicar las divergencias entre las modalidades de ajuste a nivel macroeconómico. 相似文献
116.
In most over‐the‐counter (OTC) markets, a small number of market makers provide liquidity to other market participants. More precisely, for a list of assets, they set prices at which they agree to buy and sell. Market makers face therefore an interesting optimization problem: they need to choose bid and ask prices for making money while mitigating the risk associated with holding inventory in a volatile market. Many market‐making models have been proposed in the academic literature, most of them dealing with single‐asset market making whereas market makers are usually in charge of a long list of assets. The rare models tackling multiasset market making suffer however from the curse of dimensionality when it comes to the numerical approximation of the optimal quotes. The goal of this paper is to propose a dimensionality reduction technique to address multiasset market making by using a factor model. Moreover, we generalize existing market‐making models by the addition of an important feature: the existence of different transaction sizes and the possibility for the market makers in OTC markets to answer different prices to requests with different sizes. 相似文献
117.
Research on advertising effectiveness is focused on sales and provides few empirical generalizations on profitability and its antecedents. To fill this gap, we develop an econometric model to capture the impact of advertising at campaign level, using retail panel data coupled with TV audience tracking data. Our study involves 31 brands from six packaged goods categories observed weekly and nationally over 4 years and representing 264 TV campaigns. Although we confirm empirical generalizations on the capacity of advertising to increase sales, we establish a different picture for profitability. Only 11 % of campaigns make a positive contribution to profit. Advertising is more profitable for challengers and medium brands, whereas leaders and small brands (recent or established) have a lower profitability. Advertising intensity in the category and campaign carry-over emerge as the strongest (respectively) negative and positive drivers of profitability. The antecedents of carry-over are also analyzed and discussed. 相似文献
118.
Stphane Gonzalez Alain Marciano Philippe Solal 《Journal of Public Economic Theory》2019,21(2):347-365
We revisit the “Coase theorem” through the lens of a cooperative game model which takes into account the assignment of rights among agents involved in a problem of social cost. We consider the case where one polluter interacts with many potential victims. Given an assignment or a mapping of rights, we represent a social cost problem by a cooperative game. A solution consists in a payoff vector. We introduce three properties for a mapping of rights. First, core compatibility indicates that the core of the associated cooperative games is nonempty. Second, Kaldor‐Hicks core compatibility indicates that there is a payoff vector in the core where victims are fully compensated for the damage once the negotiations are completed. Third, no veto power for a victim says that no victim has the power to veto an agreement signed by the rest of the society. We then demonstrate two main results. First, core compatibility is satisfied if and only if the rights are assigned either to the polluter or to the entire set of victims. Second, there is no mapping of rights satisfying Kaldor‐Hicks core compatibility and no veto power for a victim. 相似文献
119.
We study the impact of the European Central Bank Long-term refinancing operations (ECB LTROs) on credit to the non-financial sector, using panel data on twelve countries of the Euro area between December 2008 and July 2014. The tests show that LTROs tested as a dummy have a favorable impact. However, till December 2011, the impact of the amount of LTROs was insignificant or negative. This suggests that full allotment liquidity measures, disclosing interbank markets liquidity needs, could generate adverse collateral effect disturbing the unconventional monetary policies transmission channels, in particular the signaling channel. Moreover, the effectiveness of the signaling channel of liquidity measures would rely on their use as the sole monetary policy tool carrying all the information about the policy stance, while the ECB, whose mandate usually focuses price stability, has twice raised twice its policy rate in 2011. 相似文献
120.
Denis Cormier Dominique Dufour Philippe Luu Pierre Teller Robert Teller 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2019,36(1):113-127
The aim of this paper is to investigate the relevance for stock market pricing of accounting earnings of voluntary disclosures in XBRL files considering the quality of corporate governance. Results are the following. It appears that XBRL extensions attract financial analysts. Good governance is positively associated with voluntary XBRL extensions. We observe that XBRL extensions enhance the positive relationship between accounting earnings and stock price. However, this positive association is reduced for firms with good governance, suggesting a substitution effect between XBRL extensions and corporate governance. Finally, it appears that XBRL extensions would strategically be related to earnings quality. This research highlights the importance to consider governance when assessing the value relevance of XBRL disclosures for stock market pricing. 相似文献