We investigate the demand for energy and the degree of substitutability among fossil fuels in the United States using the Normalized Quadratic (NQ) expenditure function and (to our knowledge) the longest span prices and quantities that have ever been studied before, from 1919 to 2012. In doing...

Empirical studies show that the elasticity of substitution between capital and labor is larger than one in developed countries but smaller in developing countries. This paper develops a production function which allows for this structure in the elasticity of substitution. The case of a falling...

In this work we use an augmented Eaton-Kortum model to estimate the distribution costs of a group of consumption goods for 60 countries. Our results accord well with the distribution costs derived directly from the input-output tables for a slightly different group of goods. Our counterfactual...

In the aftermath of the failed Third Ministerial Session of the WTO in Seattle, the WTO is trying to rebuild the agenda for a new round of multilateral trade negotiations. There are already mandated negotiations in agriculture and services (the so-called "built-in agenda") as well as mandated...