On theoretical grounds alone, there is no a priori reason why higher taxes should reduce the desired capital stock, since a tax increase reduces marginal returns but also increases depreciation and interest payment allowances. Using a panel of Chilean corporations, this paper estimates a...

Infrastructure concessions are frequently renegotiated after investments are sunk, resulting in better contractual terms for the franchise holders. This paper offers a political economy explanation for renegotiations that occur with no apparent holdup. We argue that they are used by political...

Public-private partnerships (PPPs) cannot be justified because they free public funds. When PPPs are justified on efficiency grounds, the contract that optimally balances demand risk, user-fee distortions and the opportunity cost of public funds, features a minimum revenue guarantee and a...