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Antoine Bouët Yvan Decreux Lionel Fontagné Sébastien Jean David Laborde 《Review of International Economics》2008,16(5):850-863
This paper presents MAcMap–HS‐6, a database providing a consistent, ad valorem equivalent measure of tariff duties and tariff rate quotas for 163 countries and 208 partners, at the six‐digit level of the Harmonized System (5111 products), accounting for all preferential agreements. We describe the methodology used to compute and aggregate an ad valorem equivalent of applied protection. Emphasis is placed on minimizing the endogeneity bias in the aggregation procedure, while acknowledging structural differences in export specialization. The resulting quantitative assessment is illustrated by giving an overview of applied protection across the world in 2001, in terms of average as well as distribution. 相似文献
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Christophette Blanchet-Scalliet Nicole El Karoui Monique Jeanblanc Lionel Martellini 《Journal of Mathematical Economics》2008
Many investors do not know with certainty when their portfolio will be liquidated. Should their portfolio selection be influenced by the uncertainty of exit time? In order to answer this question, we consider a suitable extension of the familiar optimal investment problem of Merton [Merton, R.C., 1971. Optimal consumption and portfolio rules in a continuous-time model. Journal of Economic Theory 3, 373–413], where we allow the conditional distribution function of an agent’s time-horizon to be stochastic and correlated to returns on risky securities. In contrast to existing literature, which has focused on an independent time-horizon, we show that the portfolio decision is affected. 相似文献
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This paper deals with the optimal regulation for cost-reducing R&D and pricing in natural monopoly that is privately informed on its efficiency. We extend the work of Cantner and Kuhn (Rev Econ Des 4:191–204, 1999) and then we are able to analyse the entire effects of the interplay between agent’s efficiency and investment in R&D particularly considering the substitutability case. 相似文献
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Franz Buscha Arnaud Maurel Lionel Page Stefan Speckesser 《Oxford bulletin of economics and statistics》2012,74(3):380-396
Using American panel data from the National Education Longitudinal Study of 1988, this article investigates the effect of working during grade 12 on attainment. We employ, for the first time in the related literature, a semiparametric propensity score matching approach combined with difference‐in‐differences. We address selection on both observables and unobservables associated with part‐time work decisions, without the need for instrumental variable. Once such factors are controlled for, little to no effects on reading and math scores are found. Overall, our results therefore suggest a negligible academic cost from part‐time working by the end of high school. 相似文献
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Environmental and Resource Economics - This study develops a model of water extraction using endogenous social norms. Many users are connected by a unique shared resource that can become scarce in... 相似文献
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Weak dependence, models and some applications 总被引:1,自引:0,他引:1
The paper is devoted to recall weak dependence conditions from Dedecker et al. (Weak dependence, examples and applications. Lecture Notes in Statistics, vol 190, 2007)’s monograph; the main basic results are recalled here and we go further in some new applications. We develop here several models of weakly dependent processes and random fields. Among them an ARCH(∞) model is considered with statistical applications to ordinary least squares. A last part aims at proving new asymptotic results for weakly dependent random fields. Such applications are indeed the main proof of the interest of this theoretical notion which measures the asymptotic decorrelation of a process. 相似文献
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Urban growth is a major theme in economic development and a policy imperative for developed countries that seek to create sustainable cities. We argue that the past weighs heavily on the ability of societies to sustainably manage urban environments. The policy implications of urban history are revealed in comparisons of cities across times and between places. The special issue presents some of the best recent work on the economic and social history of Australian cities. We aim to encourage historians to incorporate urban variables into studies of historical processes and to persuade policymakers to consider historical trends in their analysis. 相似文献