The Lerner Symmetry Theorem (Lerner, 1936) establishes the equivalence between import tariffs and export taxes in a simple neoclassical economy with two countries, two final goods, and no trade costs. In this paper we provide a number of generalizations and qualifications of this well-known...

The Lerner Symmetry Theorem (Lerner, 1936) establishes the equivalence between import tariffs and export taxes in a simple neoclassical economy with two countries, two final goods, and no trade costs. In this paper we provide a number of generalizations and qualifications of this well-known...

Global current account imbalances were a major subject of concern in the years before the recent financial crisis. It is shown that the expected (negative) equilibrium relationship between net foreign assets and the trade balance that had held in the previous twenty years appeared to break down...

The US dollar has been volatile and falling again and again in recent decades as well as recent years, and for many observers, it is going to be broken sooner or later. The central importance of the dollar is due to the fact that it is not just a currency for the US. Over half of all dollar...