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101.
Panos Fousekis 《International Review of Economics》2007,54(1):129-147
Stochastic kernels and state-level data are used in this paper to investigate mobility and convergence of the agricultural
Total Factor Productivity (TFP) in the U.S.A. and to determine the influence of certain growth-related factors on the shape
of the equilibrium TFP distribution. According to the empirical results, increasing returns to scale, materials intensity,
and regional differences are likely to increase the dispersion of the cross-section TFP distribution, while higher rates of
catchingup work towards reducing it. (JEL: Q16, O30, C14) 相似文献
102.
The primary objective of this paper is to derive a general synthetic quadratic (rank 3) differential demand system which nests within it a range of testable differential demand models including the quadratic AIDS, CBS, Rotterdam and NBR systems. A model selection test procedure is also outlined. These differential systems are then applied and tested to analyse the monthly retail demand for cuts of pork in Great Britain over the period 1989–2000. The empirical results suggest that a quadratic differential AIDS model is most appropriate for the pork demand system studied, but that the need for inclusion of quadratic income/expenditure terms is not universal for every cut within the demand system. Quadratic expenditure effects were appropriate for pork chops and leg roasts, but log linear expenditure effects were adequate for bellies, shoulders and loin roasts. Roasting cuts were expenditure and own price elastic, with pork loins, chops and bellies all expenditure and own price inelastic. 相似文献
103.
104.
This paper estimates constant and dynamic hedge ratios in the New York Mercantile Exchange oil futures markets and examines their hedging performance. We also introduce a Markov regime switching vector error correction model with GARCH error structure. This specification links the concept of disequilibrium with that of uncertainty (as measured by the conditional second moments) across high and low volatility regimes. Overall, in and out-of-sample tests indicate that state dependent hedge ratios are able to provide significant reduction in portfolio risk. 相似文献
105.
In this article, we investigate the interrelated dynamics of dual jobholding, human capital, occupational choice, and mobility, using a panel sample (1991–2005) of UK employees from the British Household Panel Survey. The evidence suggests that individuals may be using multiple jobholding as a conduit for obtaining new skills and expertise and as a stepping‐stone to new careers, also involving self‐employment. Individuals doing a different secondary job than their primary occupation are more likely to switch to a new primary job in the next year, and a job that is different than their current primary employment. The results show that there are human capital spillover effects between primary and secondary employment. 相似文献
106.
Panos Desyllas 《Managerial and Decision Economics》2009,30(5):307-324
Unlike previous work on the vertical integration–performance relationship, we investigate the performance consequences of vertical disintegration. We offer a theoretical justification for the disintegration decision and we condition the disintegration effect on performance on the initial degree of firm integration, the timing and the direction of disintegration. Using a sample of UK manufacturing firms and controlling for disintegration endogeneity, we find that disintegration eventually results in improved operating performance, particularly when disintegration occurs as a reaction to poor performance and in cases of forward between‐sector disintegration. However, being highly integrated does not guarantee gains from disintegration. The implications of these findings are discussed. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
107.
Empirically implementable measures of optimal capacity utilization are developed from the dynamic profit maximization perspective. The primal measure is based on behavior of the firm's supply along an optimal path to the steady state. The dual measure is based on the behavior of the dynamic value function in the stock of the quasi-fixed input. Rates of optimal capacity utilization are estimated for the U.S. food processing and distribution sector over the period 1948–1991. 相似文献
108.
109.
Hedonic valuation of quality attributes can be misleading when theassumption that these attributes are exogenous to sample
selection isviolated. This paper considers the simultaneity between hedonic valuationand sample selection in the context of
a model of producer behavior andinvestigates empirically the case where land is demanded for use as an inputeither in agricultural
production or in touristic development. The empiricalanalysis suggests that failing to correct for sample selection results
in abiased valuation of the effect of water salinity on agricultural land. 相似文献
110.
Tax considerations governing bondholders' optimal trading include: capital loss realization; capital gain deferment; change of the long-term holding period status to short-term by sale of the bond and repurchase, to realize future losses short-term; raising the basis above par by sale of the bond and repurchase, to deduct the amortized premium from ordinary income. The optimal policy which incorporates transactions costs and conforms to the IRS code substantially differs from the buy-and-hold and continuous-realization policies. Failure to account for optimal trading may seriously bias econometric estimation of the yield curve and the tax bracket of the marginal bondholders. 相似文献