NAFTA’s investment treaty has led to several expropriation compensation claims from investors hurt by new environmental regulations. Expropriation clauses in international treaties solve post-investment moral hazard problems such as hold-ups. However, these clauses can interact with...

In customary international and public law, “takings†resulting from regulations designed to protect the public good are generally excluded from compensation rules; this exclusion is known as a police powers carve-out (PPCO). Increasingly, this PPCO is being challenged, particularly in...

Modern international investment agreements have challenged the customary exclusion of public good regulations from being considered government 'takings' subject to compensation rules. Full compensation for regulatory takings can, however, lead to over-investment and excessive entry in risky...

International investment agreements in bilateral treaties or free trade agreements allow investors to bring compensation claims when their investments are hurt by new regulations addressing environmental or other social concerns. Compensation rules such as expropriation clauses in international...

The rapid and concurrent increase in both foreign investment and government efforts to attract foreign investment at the end of last century makes the question of causality between the two both interesting and challenging. I take up this question for the case of the nearly 2,500 bilateral...

An adversarial game is used to model a firm's intrinsic and exerted influence over a regulator. Data from the World Business Environment Survey provide strong evidence in support of model hypotheses across a wide range of government agents, countries, and regulatory areas. Of particular...

An adversarial game is used to model the amount of influence a firm has over a government regulator, and its equilibrium level of regulation, as a function of firm fundamentals. The effective influence of a firm is identified as comprising both intrinsic and exerted components; where the latter...