作者：PINT, EM
作者单位：University of Oxford; RAND Corporation
摘要：A stochastic-cost model is used to show that both price-cap and rate-of-return regulation lead to overinvestment in capital and to excessive managerial slack. However, they differ in stochastic versus fixed intervals between hearings and in the use of test-year costs versus average costs since the previous hearing. A numerical example illustrates that fixed intervals between hearings improve welfare if hearings are not held too frequently, but most gains go to the firm. More significantly, the...
