Tariffs have almost completely disappeared but various restrictions on foreign entry remain for multinationals. Many trade agreements and Bilateral Investment Treaties (BITs) have been signed to lower tariffs and reduce the risks of expropriation. Why do we see so few agreements removing FDI...

Why do governments sign services trade agreements? This paper focuses on the role of international agreements in the context of trade in services when services are used as intermediate inputs in downstream industries. Compared to goods, services inputs are mostly non-tradable and complementary...

This paper develops a model in which supply of a non-renewable resource can adjust through two margins: the rate of depletion and the rate of field opening. Faster depletion of existing fields means that less of the resource can ultimately be extracted, and optimal depletion of open fields...

A windfall of natural resource revenue (or foreign aid) faces government with choices of how to manage public debt, investment, and the distribution of funds for consumption, particularly if the windfall is both anticipated and temporary. We show that the permanent income hypothesis prescription...

Natural resources account for 20% of world trade, and dominate the exports of many countries. Policy is used to manipulate both international and domestic prices of resources, yet this policy is largely outside the disciplines of the WTO. The instruments used include export taxes, price...

The comparative advantage of many cities is based on their efficiency in the production of "functions", e.g., business services such as finance, law, engineering, or similar functions that are used by firms in a wide range of sectors. Firms that use these functions may choose to source them...