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971.
972.
This paper introduces a class of intermediate inequality indices that is, at the same time, ray-invariant and unit-consistent.
These measures allow us to make possible keeping some of the good properties of Krtscha’s (Models and measurement of welfare
and inequality. Springer, Heidelberg, 1994) index while maintaining the “centrist” attitude no matter howmuch the income increases.By
doing so, we approach the intermediate inequality concept suggested by Del Río and Ruiz-Castillo (Soc Choice Welfare 17:223–239,
2000) and generalize it in order to extend the range of income distributions that are comparable according to this ray-invariance
criterion. 相似文献
973.
974.
Juan Carlos Martín Concepción Román Augusto Voltes-Dorta 《Journal of Productivity Analysis》2009,31(3):163-176
There exists a common belief among researchers and regional policy makers that the actual central system of Aeropuertos Españoles y Navegación Aérea (AENA) should be changed to one more decentralized where airport managers could have more autonomy. The main objective of this article is to evaluate the efficiency of the Spanish airports using Markov chain Monte Carlo (MCMC) simulation to estimate a stochastic frontier analysis (SFA) model. Our results show the existence of a significant level of inefficiency in airport operations. Additionally, we provide efficient marginal cost estimates for each airport which also cast some doubts about the current pricing practices. 相似文献
975.
Verónica Morales-Sánchez Antonio Hernández-Mendo Pedro Sánchez-Algarra Ángel Blanco-Villaseñor María-Teresa Anguera-Argilaga 《Quality and Quantity》2009,43(2):225-236
This paper illustrates the variety of PERT technique known as random PERT. The aim of this technique is to help plan the duration
of activities, something which can be particularly difficult in psychosocial programs. Thus, this task is often carried out
by experts, who know that there are many events which may modify the proposed calendar. The paper includes an empirical illustration
of random PERT applied to a physical activity/sports program for elderly people. 相似文献
976.
Ramon Alós Pere Jódar Joel Martí Antonio Martín Artiles Luis Ortiz 《Industrial Relations Journal》2009,40(2):100-121
While existing literature on the changing nature of trade union membership concentrates on unidimensional differences between members, this article proposes a multidimensional typology, which considers demographic characteristics as well as labour market position and length of union membership. Our results allow the identification of different member profiles; these are significantly associated to differences in employment conditions, work participation, job satisfaction and union activism. In the last section of the article, we discuss the practical implications that these different member profiles may have for union policy and organisation. 相似文献
977.
María Candelaria Gil Fariña Rosa María Lorenzo Alegría 《International Advances in Economic Research》1999,5(4):446-465
This paper studies the dynamic relationship between future volatility and implied and historical volatility using data from Alegría and Rodríguez [1997]. The methodological approach forms part of the theoretical research being carried out in numerical analysis and especially from the rational Padé approximation. This tool helps to characterize simple computational methods in order to study questions about dynamic modelization of doubly infinite series. Considering noncausal series, where the expectations provided by economic theory or empirical evidence are included in available sample data, leads to dynamic specifications suitable not only from the perspective of fitting available data, but also from their predictive performance when compared to traditionally used formulae based merely on data analysis. 相似文献
978.
This article studies the behavior of input cost shares in an environment where labor is costly to adjust, materials can be
adjusted at no cost and capital is fixed. A model relating cost shares with relative prices and adjustment costs is proposed,
allowing joint estimation of the elasticity of substitution and the adjustment cost function, which is an unknown function
of the capacity utilization. Based on a panel of more than 700 manufacturing firms, we find evidence of strong input share
variations according to the degree of capacity utilization. The estimated shapes of adjustment costs curves of labor are in
agreement with our theoretical model, and we obtain sensible elasticities of substitution estimates. Based on such estimates,
we find evidence of a negative (positive) bias in downturns (recoveries) in conventional productivity growth measures. 相似文献
979.
980.
Antonio Díaz 《Journal of Financial Services Research》2009,36(1):45-63
I analyze implicit transaction costs of trading government debt securities on the Spanish stock exchanges (SE) electronic
trading system. The SE’s multilateral system is used mainly as an outlet for retail investors to liquidate Treasury accounts
positions before maturity. I compare identical Treasury security trades on the same day in two different markets: the SE and
the interdealer market. By analyzing these yield spreads I learn more about the behavior of the markdowns included in the
retail prices from the institutional prices. I find evidence that these yield premia depend on traditional features to explain
wholesale market liquidity premia.
相似文献
Antonio DíazEmail: |