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41.
Spatial wage disparities: Sorting matters! 总被引:7,自引:1,他引:6
Pierre-Philippe Combes Gilles Duranton Laurent Gobillon 《Journal of urban economics》2008,63(2):723-742
Spatial wage disparities can result from spatial differences in the skill composition of the workforce, in non-human endowments, and in local interactions. To distinguish between these explanations, we estimate a model of wage determination across local labour markets using a very large panel of French workers. We control for worker characteristics, worker fixed effects, industry fixed effects, and the characteristics of the local labour market. Our findings suggest that individual skills account for a large fraction of existing spatial wage disparities with strong evidence of spatial sorting by skills. Interaction effects are mostly driven by the local density of employment. Not controlling for worker heterogeneity leads to very biased estimates of interaction effects. Endowments only appear to play a small role. 相似文献
42.
This paper analyzes the determinants of success at the concours d'agrégation en sciences économiques. This is a centralized hiring procedure through which professors of economics are selected in France. Using detailed data from all concours held between 1984 and 2003, we focus on the role of the candidates' publication records (number and quality of articles) and networks (defined as professional links between candidates and the jury members who take the recruitment decisions). Both sets of variables have statistically significant effects on the likelihood of getting hired. The effect of network connections is important in the sense that a substantial improvement of the publication record is needed to compensate for not being linked to the jury. 相似文献
43.
RESUME 1 : Cet article propose une étude du rôle croissant que joue l’évaluation dans la gouvernance des services à domicile en Europe. L’introduction de quasi‐marchés dans plusieurs pays européens va de pair avec un processus d’autonomisation de la fonction d’évaluation qui devient un véritable outil de régulation de la concurrence. Une analyse comparée des situations en Belgique, France et Royaume‐Uni, tant de la demande que de l’offre de services, met en évidence les tensions récurrentes dans les objectifs de l’évaluation (qualité des services, maîtrise des budgets sociaux, création d’emploi), la faible prise en compte de la qualité de l’emploi ainsi que les limites des dispositifs standardisés d’évaluation au regard de la rhétorique du libre choix de l’usager (consommateur). 相似文献
44.
Persistent misalignments of the European exchange rates: some evidence from non-linear cointegration
The asymmetric and persistent adjustment of the European real exchange rates is investigated using the framework of non-linear cointegration. The episodes of slow mean-reversion dynamics over the period from 1979 to 1999 are explained. A test of unit root against STAR cointegration is proposed and some complete estimations and stochastic simulations of ESTAR models are presented. The presence of effective non-linear adjustment during the moving of the currencies to their long-run fundamental equilibrium exchange rate value is discussed. 相似文献
45.
The last decade witnessed a wide expansion of Islamic finance in Middle Eastern and Southeast Asian countries. Sukuk issues, which are Islamic financial instruments structured to replicate the cash flows of conventional bonds, have notably proliferated, fuelling the debate on the similarity between Islamic and conventional finance. Using an event study methodology on a sample of Malaysian listed companies, we investigate whether stock market investors react differently to the announcements of sukuk and conventional bond issues. We find that the stock market is neutral to announcements of conventional bond issues, but it reacts negatively to announcements of sukuk issues. We attribute this finding to the excess demand for Islamic investment certificates and to an adverse selection mechanism that favors sukuk issuance by lower-quality debtor companies. 相似文献
46.
Laurent Mirabeau Jeff Kinder Sebastien Malherbe 《Technology Analysis & Strategic Management》2013,25(1):54-72
While policy-makers understand the vast benefits of publicly funded and not-for-profit research, governance practitioners have the difficult task of defining processes that can best foster high performance for science and technology (S&T) labs not primarily driven by profits. This qualitative study develops a new taxonomy based on two dimensions, the nature of the funding relationship between the parent organisation and the S&T lab and the degree of interdependence between the lab's research units. We discuss the dynamics uncovered for each of the four archetypes with illustrative cases and argue that high-performance governance of S&T labs requires an internal coherence linking the processes of planning, funding and performance evaluation. 相似文献
47.
Laurent Lamy 《Journal of econometrics》2012,167(1):113-132
We consider standard auction models when bidders’ identities are not-or are only partially-observed by the econometrician. We first adapt the definition of identifiability to a framework with anonymous bids and explore the extent to which anonymity reduces the possibility of identifying private value auction models. Second, in the asymmetric independent private value model which is nonparametrically identified, we generalize Guerre, Perrigne and Vuong’s estimation procedure [Optimal nonparametric estimation of first-price auctions, Econometrica 68 (2000) 525-574] and consider the asymptotic properties of our multi-step kernel-based estimator. Monte Carlo simulations illustrate the practical relevance of our estimation procedure in small data sets. 相似文献
48.
The analysis of horizontal mergers hinges on a tradeoff between unilateral effects and efficiency gains. We examine the role of uncertainty in this tradeoff. In theory, the attitude towards uncertainty depends on the curvature of the social objective function. On the one hand, adjustment effects, both on the consumers' and firms' sides, tend to make consumers' surplus and firms' profits convex. On the other hand, pass-through effects may act in the opposite direction. We show that convexity prevails in a number of situations, including the most general linear demand model. Implications for empirical merger analysis are exposed. 相似文献
49.
Laurent Lamy 《Journal of Economic Theory》2009,144(1):390-413
The analysis of second price auctions with externalities is utterly modified if the seller is unable to commit not to participate in the mechanism. For the General Symmetric Model introduced by Milgrom and Weber [P. Milgrom, R. Weber, A theory of auctions and competitive bidding, Econometrica 50 (1982) 1089-1122] we characterize the full set of separating equilibria that are symmetric among buyers and with a strategic seller being able to bid in the same way as any buyer through a so-called shill bidding activity. The revenue ranking between first and second price auctions is different from the one arising in Milgrom and Weber: the benefits from the highlighted ‘Linkage Principle’ are counterbalanced by the ‘Shill Bidding Effect.’ 相似文献
50.
Assessing accurately global economic conditions is a great challenge for economists. The International Monetary Fund proposes within its periodic World Economic Outlook report a measure of the global GDP annual growth, that is generally considered as the benchmark nowcast by macroeconomists. In this paper, we put forward an alternative approach to provide monthly nowcasts of the annual global growth rate. Our approach builds on a Factor‐Augmented MIxed DAta Sampling (FA‐MIDAS) model that enables: (i) to account for a large monthly database including various countries and sectors of the global economy and (ii) to nowcast a low‐frequency macroeconomic variable using higher frequency information. Pseudo‐real‐time results over the period 2010–16 show that this approach provides reliable and timely nowcasts of the world GDP annual growth on a monthly basis. 相似文献