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61.
José Anson Olivier Cadot Antoni Estevadeordal Jaime de Melo Akiko Suwa-Eisenmann Bolormaa Tumurchudur 《Review of International Economics》2005,13(3):501-517
All preferential trading agreements (PTAs) short of a customs union use rules of origin (ROO) to prevent trade deflection. ROO raise production costs and create administrative costs. This paper argues that in the case of the recent wave of North–South PTAs, the presence of ROO virtually limits the market access that these PTAs confer to the Southern partners. In the case of NAFTA, we find average compliance costs around 6% in ad valorem equivalent, undoing the tariff preference (4% on average) for a large number of tariff lines. Administrative costs amount to 47% of the preference margin. These findings are coherent with the view that North–South PTAs could well be viewed like a principal–agent problem in which the Southern partners are just about left on their participation constraint. 相似文献
62.
When the indemnity schedule is contingent on the farmer's price and individual yield, an optimal crop revenue insurance contract depends only on the farmer's gross revenue. However, this design is not efficient if, as is the case with available contracts, the coverage function is based on imperfect estimators of individual yield and/or price. The producer's degree of prudence and the extent of basis risks have important influences on the optimal indemnity schedule. In this broader context, optimal protection is not provided by available U.S. crop insurance contracts and may include combinations of revenue insurance, yield insurance, futures, and options contracts. 相似文献
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This article provides a simple model that explains the choice between permanent and temporary jobs. This model, which incorporates important features of actual employment protection legislations neglected by the economic literature so far, reproduces the main stylized facts about entries into permanent and temporary jobs observed in Continental European countries. We find that job protection has very small effects on total employment but induces large substitution of temporary jobs for permanent jobs, which significantly reduces aggregate production. 相似文献
66.
Alpaslan Akay Olivier B. Bargain H. Xavier Jara 《The Scandinavian journal of economics》2023,125(4):823-859
Subjective well-being (SWB) data are increasingly used to perform welfare analysis. Interpreted as “experienced utility”, it has recently been compared to “decision utility” using small-scale experiments most often based on stated preferences. We transpose this comparison to the framework of non-experimental and large-scale data commonly used for policy analysis, focusing on the income–leisure domain where redistributive policies operate. Using the British Household Panel Survey, we suggest a “deviation” measure, which is simply the difference between actual working hours and SWB-maximizing hours. We show that about three-quarters of individuals make decisions that are not inconsistent with maximizing their SWB. We discuss the potential channels that explain the lack of optimization when deviations are significantly large. We find proxies for a number of individual and external constraints, and show that constraints alone can explain more than half of the deviations. In our context, deviations partly reflect the inability of the revealed preference approach to account for labor market rigidities, so the actual and SWB-maximizing hours should be used in a complementary manner. The suggested approach based on our deviation metric could help identify labor market frictions. 相似文献
67.
Olivier Le Courtois 《Asia-Pacific Financial Markets》2018,25(2):87-109
This article provides new results on the tempered multistable approach. After a preliminary section recalling the main definitions, we show the correspondence between a series representation and a characteristic function representation for asymmetrical field-based tempered multistable processes and for asymmetrical independent increments tempered multistable processes. We also show that both processes are semimartingales, which is a convenient property in finance. Next, we study the structure of autocorrelations that is conveyed by this approach. Finally, we provide an illustration showing the term structures of Value-at-Risk that can be obtained with this model. 相似文献
68.
Ulrich A. Müller Michel M. Dacorogna Richard B. Olsen Olivier V. Pictet Matthias Schwarz Claude Morgenegg 《Journal of Banking & Finance》1990,14(6)
In this paper we present a statistical analysis of four foreign exchange spot rates against the U.S. Dollar with several million intra-day prices over 3 years. The analysis also includes gold prices and samples of daily foreign exchange prices over 15 years. The mean absolute changes of logarithmic prices are found to follow a scaling law against the time interval on which they are measured. This empirical law holds although the distributions of the price changes strongly differ for different interval sizes.Systematic variations of the volatility are found even during business hours by an intra-day analysis of price changes. Seasonal heteroskedasticity is observed with a period of one day as well as one week as the result of an analogous intra-week analysis; taking this into account is necessary for any future study of intra-day price change distributions and their generating process. The same type of analysis is also made for the bid-ask spreads. 相似文献
69.
This article aims to evaluate the credibility of information disclosed by public organizations in terms of sustainable development. It focuses on an under-studied aspect in the sustainability reporting literature—namely, the factors that may affect the credibility of disclosure practices. The study is based on a qualitative analysis of the sustainable development content of annual management reports disclosed by 113 ministries and public bodies in the province of Quebec, Canada. The findings shed more light on the main factors that affect the credibility of the information disclosed therein, particularly in terms of lack of transparency and flawed monitoring mechanisms. 相似文献
70.
Olivier Blanchard 《海外经济评论》2009,(46):23-26
【IMF《金融与发展》10月29日】在正常的经济衰退中,无论商业和就业遭受的打击何等严重,形势的好转总是可以预期的。然而,本次全球衰退绝非正常的衰退。 相似文献