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We show that voters are fiscal conservatives, although in the long run only: while the average (over the mandate) level of debt has a negative impact on the probability of reelection, pre-election debt accumulation by incumbents increases their probability of reelection. As the negative impact becomes larger as the debt level becomes higher, it compensates for the short run effect. Elections thus appear as a disciplining device, even if a weak one. 相似文献
33.
Etienne Lalé 《Labour economics》2012,19(3):373-387
Are labor markets more turbulent now than thirty years ago? Most job and worker flows imply that the answer is “no”, with one exception: occupational mobility, which increased substantially in the United States. This paper remedies the lack of comparable evidence by focusing on France for the years 1982 to 2009. After correcting for various statistical biases and discrepancies that affect the measurement of occupational mobility, it documents this reallocation process overall and in different subgroups. The data reveal that, over the period considered, the fraction of workers switching occupation exhibits no trend in the aggregate because changing demographics mask increases in mobility within several age and education groups. After taking these composition effects into account, occupational mobility increased sharply in France as well. 相似文献
34.
Francisco Richter Bart Haegeman Rampal S. Etienne Ernst C. Wit 《Statistica Neerlandica》2020,74(3):261-274
Phylogenetic trees are types of networks that describe the temporal relationship between individuals, species, or other units that are subject to evolutionary diversification. Many phylogenetic trees are constructed from molecular data that is often only available for extant species, and hence they lack all or some of the branches that did not make it into the present. This feature makes inference on the diversification process challenging. For relatively simple diversification models, analytical or numerical methods to compute the likelihood exist, but these do not work for more realistic models in which the likelihood depends on properties of the missing lineages. In this article, we study a general class of species diversification models, and we provide an expectation-maximization framework in combination with a uniform sampling scheme to perform maximum likelihood estimation of the parameters of the diversification process. 相似文献
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This note establishes that two propositions in the theory of private common agency by Laussel and Le Breton (J. Econ. Theory 100 (2001) 93) extend to a larger class of games, in which each principal's gross monetary payoff does not depend exclusively on the quantities she receives. A new result is offered to demonstrate that Proposition 4.3 is robust to the introduction of negative externalities. An existing result is reinterpreted to show that Proposition 4.2 is robust to the introduction of positive externalities. 相似文献
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This article provides a model of labor market equilibrium with search and within‐firm strategic bargaining. We yield explicit closed form solutions with heterogeneous labor inputs and capital. The solution exhibits overemployment. We show that higher relative bargaining power for some groups of workers may lead to overemployment relative to other groups, with such other groups being underemployed instead if they have a lower relative bargaining power. Similarly, the hold‐up problem between capitalists and employees does not necessarily lead to underinvestment in physical capital. 相似文献
39.
The controversial Fast Track Land Reform Programme in Zimbabwe that redistributes commercially-owned farmland to smallholder households has caused concerns about the efficiency of agricultural production in the country. In this paper, we estimate the efficiency of resource use among smallholder farmers in Zimbabwe when producing maize, the staple crop in the country. Using both a semiparametric model and a fully parametric stochastic frontier model, we find significant production shortfalls for smallholder maize production. While labor, capital, and land all significantly affect the total output, the estimated mean efficiency score for farms with less than 10 hectares of land (A1) appears to be under 0.75, and for the entire sample (A1 and A2) it ranges between 0.595 and 0.772. There clearly exists a great potential for maize farmers to improve the technical efficiency and increase the total output. Gender and age of the household head, access to extension services, and activities of other crops significantly affect the technical efficiency of smallholder maize production in Zimbabwe. We also find that all farms operate under increasing returns to scale and that the technical efficiency score tends to increase with the level of output. 相似文献
40.
Etienne Wasmer 《Labour economics》2012,19(5):769-771
The four papers in this issue are part of a collective effort coordinated by the ECB and European National Central Banks, the Eurosystem's Wage Dynamics Network Survey. They provide new and systematic evidence on wage and price flexibility in Europe and attempt to explain their determinants. 相似文献