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11.
Guillaume Bernis 《Economic Theory》2002,20(2):295-320
Summary. This paper deals with the existence of equilibrium in a dynamic reinsurance market with short sale constraints, driven by
a marked point process, as studied in Bernis and Jouini (2001). We use the set of reinsurance treaties as consumption set,
which is the positive orthant of some Banach lattice that can be identified to a space of martingales, . The properness of preferences is a key assumption for us to prove the existence of an equilibrium. We provide a sufficient
condition for the preferences to be proper in term of loading factor of the reinsurance premium.
Received: June 15, 2000; revised version: May 17, 2001 相似文献
12.
Guillaume Rocheteau 《International Tax and Public Finance》1999,6(3):379-387
This article studies some macroeconomic consequences of the financing of an unemployment insurance scheme. Under a balanced-budget rule, when both taxes and unemployment benefits are proportional to wages, the existence of multiple natural rates of unemployment is a generic property of the matching model. Government can lead the economy to a high equilibrium by fixing the rate of tax on wages and then setting the replacement ratio so that its expenditure matches its receipts. 相似文献
13.
Jean Guillaume Forand 《International Journal of Industrial Organization》2013,31(5):438-451
This paper studies the symmetric equilibria of a two-buyer, two-seller model of directed search in which sellers commit to information provision. More informed buyers have better differentiated private valuations and extract higher rents from trade. When sellers cannot commit to sale mechanisms, information provision is higher under competition than under monopoly. In contrast, when sellers commit to both information provision and sale mechanisms, I identify simple conditions under which sellers post auctions and provide full information in every equilibrium, ensuring that all equilibrium outcomes are constrained efficient. Sellers capture the efficiency gains from increased information and compete only over non-distortionary rents offered to buyers. 相似文献
14.
This paper examines the connectivity of the Spanish airport system between 2001 and 2007. Over the period, network carriers considerably strengthened the connectivity between Spanish airports and major European hubs. Although OneWorld is still the dominant alliance in Spain, SkyTeam and Star achieved a larger connectivity share through the growth of indirect services provided through their northern European hubs. In addition, the network rationalization strategy of Iberia and its decision to concentrate operations at Madrid-Barajas had important implications for the connectivity of other Spanish airports. Low-cost carriers have boosted direct connectivity from secondary Spanish airports. 相似文献
15.
Guillaume P. Gruère Colin A. Carter Y. Hossein Farzin 《The Canadian journal of economics》2008,41(4):1472-1497
Abstract. Faced with divergent opinions among consumers on the use of genetically modified (GM) foods, Canada has adopted a voluntary labelling approach for non‐GM foods, whereas the European Union has a mandatory labelling policy for GM foods. Interestingly, both labelling systems have resulted in very little, if any, additional consumer choice. Using an analytical model, we show that the coexistence of GM and non‐GM products at the retail level depends on the labelling policy, consumer perceptions, and the type of product. Although voluntary labelling tends to favour the use of GM products, it is more likely to provide consumer choice. 相似文献
16.
Identifying fiscal policy (in)effectiveness from the differential counter‐cyclicality of government spending in the interwar period 下载免费PDF全文
Differences across decades in the counter‐cyclical stance of fiscal policy can identify whether the growth in government spending affects output growth and so speeds recovery from a recession. We study government‐spending reaction functions from the 1920s and 1930s for twenty countries. There are two main findings. First, surprisingly, government spending was less counter‐cyclical in the 1930s than in the 1920s. Second, the growth of government spending did not have a significant effect on output growth, so that there is little evidence that this feature of fiscal policy played a stabilizing role in the interwar period. 相似文献
17.
18.
Guillaume Vuillemey 《Journal of Economic Methodology》2014,21(2):125-138
This article presents the epistemological and conceptual foundations on which current attempts to model crises and assess financial risks are based. It draws a distinction between two research programs, in Lakatos' sense: on the one hand, crises understood as structural events within a cycle; on the other hand, crises seen as statistical tail events. The methodological, theoretical and practical consequences of such a dichotomy are exposed. A crucial difference lies in the assumptions about change in the causal processes generating economic outcomes, especially asset returns. Furthermore, this article insists on providing conceptual definitions of key terms that have distinct meanings within the two research programs. 相似文献
19.
Tim R. L. Fry Guillaume Galanos Alberto Posso 《Scottish journal of political economy》2014,61(3):261-279
Getting a player like Lionel Messi in the squad would seem like a dream come true for a professional football manager, but is it always best to have top‐quality players? We study the determinants of top goal‐scorers’ productivity in the UEFA Champions League. We find evidence of a concave relationship between age and productivity and uncover an inverted‐U relationship between performance and minutes played. Finally, we find a positive effect on height, being left footed and being a striker on the probability of scoring a goal. The results have important implications for managers both in looking to sign on new players and to maximise their potential during a competitive match. 相似文献
20.
Guillaume Bodet Valery Anaba Patrick Bouchet 《Journal of Travel & Tourism Marketing》2017,34(1):52-69
The main purpose of this study was to identify the influence of the consumer’s country of residence on hotel service attributes’ contribution to consumer satisfaction. The hospitality services of Disneyland Paris in Paris, France, were analyzed in the context of the study. Data came from their seven hotels and comprised 47,885 valid questionnaires. The Tetraclasse model was applied to identify hotel attributes’ contribution to satisfaction and compare them for consumer segments from eight European countries and between hotels. Results showed that the four service attributes’ contributions are influenced by country of residence and vary between hotels. 相似文献