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Marc Escrihuela‐Villar Carlos Gutirrez‐Hita Jos Vicente‐Prez 《Journal of Public Economic Theory》2020,22(4):1151-1175
In this paper, we present a mixed oligopoly model where electric power generators compete in supply functions in a liberalized market. A former monopolist, the state‐owned generator, is assumed to be (partially) privatized. First, we obtain that there is a relationship between privatization and the number of electric power generators concerning the level of consumer surplus and total welfare. Indeed, a fully state‐owned generator is socially optimal, lowering private generators' profits and enhancing consumer surplus; that is, if the degree of privatization decreases, consumer surplus increases compensating the damage imposed on generators' profits. Second, as the number of generators increases, full privatization may provide similar levels of consumer surplus and social welfare than those observed in a mixed oligopoly. Moreover, it is also obtained that price‐cost margins increase as marginal cost increases. Overall, our results suggest that the state‐owned generator should be privatized when entry barriers are low enough, and competitiveness is enhanced. Otherwise, a state‐owned generator may protect consumers, enhancing consumer surplus. 相似文献
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Current competitive environments have created a growing interest in employee flexibility in firms. Recently researchers have differentiated between two facets of employee flexibility: behavior flexibility and skill flexibility. This study proposes a model of relationships between these two facets of employee flexibility and the extent to which HR practices influence them. This model is tested by estimating structural equation models on a sample of 226 commercial departments in Spanish companies. The results of the study show that the two facets of employee flexibility are interrelated, in that skill flexibility influences behavior flexibility. Furthermore, findings confirm the influence of job enrichment on employee flexibility and the significant effect of the internal fit among HR practices on employee flexibility. © 2013 Wiley Periodicals, Inc. 相似文献
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This paper combines agency theory and internal-labor-market theories to explain the determinants of bonus payments among a large sample of top and middle managers from Spanish firms. A distinction is made between the decision whether to pay bonus or not and the size of the bonus. The empirical evidence confirms that the two decisions are determined by different factors. The results of the analysis show a trade-off between short-term and long-term incentives (bonuses and promotion opportunities) as well as differences in the pattern of compensation policies across economic sectors and functional areas inside the firm. 相似文献
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This article examines how in a context of limited enforceabilityof contracts suppliers may have a comparative advantage overbanks in lending to customers because they are able to stopthe supply of intermediate goods. Suppliers may act also asliquidity providers, insuring against liquidity shocks thatcould endanger the survival of their customer relationships.The relatively high implicit interest rates of trade creditare the result of insurance and default premiums that are amplifiedwhenever suppliers face a relatively high cost of funds. I explorethese effects empirically for a panel of UK firms. (JEL: G30,M130, D920) 相似文献
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Fixed income options contain substantial information on the price of interest rate volatility risk. In this paper, we ask if those options will also provide information related to other moments of the objective distribution of interest rates. Based on dynamic term structure models within the class of affine models, we find that interest rate options are useful for the identification of interest rate quantiles. Two three-factor models are adopted and their adequacy to estimate Value at Risk of zero-coupon bonds is tested. We find significant difference on the quantitative assessment of risk when options are (or not) included in the estimation process of each of these dynamic models. Statistical backtests indicate that bond estimated risk is clearly more adequate when options are adopted, although not yet completely satisfactory. 相似文献
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We apply Stroock and Varadhan’s support theorem to show that there is a positive probability that within the Swap Market Model
the implied Libor rates become negative in finite time.
Mataix-Pastor received support from the Instituto Credito Oficial (ICO), Spain, and Fundación Caja Madrid. 相似文献
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