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83.
Antonio Miralles 《Journal of Economic Theory》2012,147(1):179-206
In allocating goods with no use of monetary transfers, random allocation mechanisms can be designed in order to elicit information on preference intensities. I study the nontransfer allocation of two ex-ante identical objects under Bayesian incentive compatibility, with symmetric agents and independent private valuations. I find the ex-ante utilitarian-optimal mechanism, in which the probability of receiving a specified object is used as “numeraire” to purchase probability units of the other object. I characterize this mechanism as an appropriate combination of lotteries, auctions and insurance. The latter element ensures that efficient auctions are feasible. If the problem is constrained to guarantee exactly one object per agent, then the optimal mechanism uses no information other than the agents? ordinal preferences. 相似文献
84.
This work presents the participation factor and the valuation of a first-generation structured product with European call options on the Eurostoxx, when the uncertainty of the yields is modeled through log-stable processes. The basic statistics of the index yields are also exposed, the α-stable parameters are estimated, and the valuation of the of the structured models is compared through the log-stable and log-Gaussian models using inputs from the bond markets; concluding that investors obtain higher yields than those of the bond market through both models, and that the differences of the yields depend on the participation factor and on the value of the index at the time of liquidation. 相似文献
85.
Silvana Ligia Vincenzi Bortolotti Rafael Tezza Dalton Francisco de Andrade Antonio Cezar Bornia Afonso Farias de Sousa Júnior 《Quality and Quantity》2013,47(4):2341-2360
The item response theory (IRT) also known as latent trait theory, is used for the development, evaluation and administration of standardized measurements; it is widely used in the areas of psychology and education. This theory was developed and expanded for over 50 years and has contributed to the development of measurement scales of latent traits. This paper presents the basic and fundamental concepts of this IRT and a practical example of the construction of scales is proposed to illustrate the feasibility, advantages and validity of IRT through a known measurement, the height. The results obtained with the practical application of IRT confirm its effectiveness in the evaluation of latent traits. 相似文献
86.
Salvador Gil‐Pareja Rafael Llorca‐Vivero Jos Antonio Martínez‐Serrano 《Review of International Economics》2007,15(2):302-312
This paper estimates the effect of the euro on intra‐EMU tourist flows by using a panel dataset of 20 OECD countries over the period 1995–2002. The results reveal that the euro has increased tourism, with an effect of around 6.5%. This is a noticeable impact given the early stage of the EMU analyzed. The robustness checks show that the evidence of a positive impact is quite widespread across EMU destination countries. 相似文献
87.
This paper develops a post-Keynesian dynamic model of capacityutilisation and growth, in which the supply of credit-moneyis endogenous and firms' debt position—and thus the financialfragility of the economy à la Hyman Minsky—is explicitlymodelled. The interest rate is set by banks as a markup overa base rate exogenously determined by the monetary authority.The banking markup varies with changes in capacity utilisation,while the debt ratio varies with changes in the rates of interest,capital accumulation and growth. Regarding dynamics, it is shownthe possibility of relating the stability properties of a systemwith the interest rate and the debt ratio as state variablesto the prevailing Minskyan regime—hedge, speculative orPonzi. 相似文献
88.
Antonio Mínguez-Vera 《International Review of Financial Analysis》2007,16(1):81-98
This paper analyzes the influence of ownership structure on firm value. We find a non-significant relationship between the ownership of large blockholders and firm value. We also find a positive effect of the degree of control with regard to firm value. Endogenous treatment of these variables then reveals a positive effect for the ownership by major shareholders on firm value, although the opposite relationship is not significant; and a positive effect of the degree of control on Tobin's Q and vice versa. A positive effect is seen when the major shareholders are individuals. 相似文献
89.
In this paper we present Esteban's 1994 [Esteban, J., 1994. La desigualdad interregional en Europa y en España: descripción y análisis. In: Esteban, J.Ma., Vives, X. (dirs.), Crecimiento y convergencia regional en España y en Europa, Vol. 2, Instituto de Análisis Económico] decomposition of the Theil index of inequality over per capita incomes into the (unweighted) sum of the inequality indices of (i) the productivity per employed worker, (ii) the employment rate, (iii) the active over working-age population rate, and (iv) the working-age over total population rate. Each of these factors clearly have different meanings for analysis as well as for policy. We apply this factoral decomposition to a set of 120 countries. We also contrast the empirical findings with the results obtained for the 23 OECD countries. [OECD, Labour Force Statistics, Several issues, Paris]. 相似文献
90.
Carlo Cafiero Fabian Capitanio Antonio Cioffi Adele Coppola 《Revue canadienne d'agroeconomie》2007,55(4):419-441
Currently there is ample discussion among EU Institutions (European Commission, European Parliament, and Member States' governments) on the opportunity for setting up a comprehensive EU‐wide framework on risk and crises in agriculture. In the meantime, within the limits of the WTO rules on agriculture, national governments are allowed to intervene through direct compensation to farmers in case of exceptional events that cause damages to farming operations and through subsidies to crop insurance programs. Such schemes are quite expensive for domestic budgets and some Member States are trying to switch some of their cost to the Community's budget, although an expansion of financial resources devoted to agriculture in Europe is rather unlikely. Moving from the recently emanated proposal of the European Commission, this paper discusses the main issues related to public intervention for risk and crises management in agriculture. Actuellement, les institutions européennes (Commission européenne, Parlement européen et gouvernements des pays membres) discutent intensément de l'opportunité d'élaborer un cadre général pour l'ensemble de l'Union européenne sur les crises et les risques dans le secteur agricole. Entre‐temps, selon les règles de l'OMC sur l'agriculture, les gouvernements nationaux peuvent intervenir en accordant des compensations financières directes aux agriculteurs en cas de circonstances exceptionnelles causant des dommages aux exploitations agricoles ainsi que des subventions aux programmes d'assurance récolte. Ces interventions amputent considérablement les budgets nationaux, et certains pays membres tentent de transférer une partie de leurs coûts au budget de l'Union européenne, bien qu'il soit peu probable que les ressources financières consacrées à l'agriculture en Europe augmentent. A la lumière de la récente proposition de la Commission européenne, le présent article traite des principaux thèmes liés à l'intervention publique dans la gestion des risques et des crises dans le secteur agricole. 相似文献