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Optimal Price-cap Reviews

机译:最佳价格上限评论

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This paper demonstrates, in a dynamic model of monopoly regulation with price-cap, that a periodic price review may increase productive efficiency. When the firm's choice of cost-reducing effort depends on the volume of output supplied, a periodic revision allows the regulator to set more binding prices, thus inducing the monopolist to exert more cost-reducing effort in the future. In a continuous-time setting we establish the conditions under which, within a given concession period, a single full rate base review improves cost-efficiency, and by this route, we also establish the optimal number of reviews. This number depends on the length of the concession period in relation to the slope of the demand function and the intensity of the disutility of effort. Our results add both a theoretical argument in favour of the practice of periodic reviews in price-cap regulation and provide regulators with a basis for the calculation of the optimal regulatory lag. Potentially, our argument is relevant to every regulated monopolist, including the utilities' networks. A particular case worth mentioning is the regulation of toll-road tariffs, particularly in the case of a newly privatized toll-road concessionaire.
机译:在具有价格上限的动态垄断监管模型中,本文证明了定期进行价格审查可以提高生产效率。当企业选择降低成本的努力取决于所提供的产出量时,定期修订可使监管机构设定更多具有约束力的价格,从而促使垄断者在未来付出更多的降低成本的努力。在连续的时间设置中,我们确定了在给定的特许期内,单次全费率基本审查可以提高成本效率的条件,通过这种方式,我们还可以确定最佳的审查次数。此数字取决于相对于需求函数的斜率和工作无用程度的特许权期限的长度。我们的结果增加了理论上的支持,以支持在价格上限监管中进行定期审查,并为监管机构提供了计算最佳监管滞后的基础。潜在地,我们的论点与每个受管制的垄断者(包括公用事业网络)有关。值得一提的一个特殊案例是对收费公路费率的监管,特别是在新私有化的收费公路特许经营商的情况下。

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