Price differences among fed cattle prices in Canada and the United States (referred to here as fed cattle basis) are important for Canadian cattle feeders, but changing government regulations in Canada and the United States have made basis more variable. This article uses transaction data from...

We provide an ex-post econometric examination of the harmonization and tightening of the EU Maximum Residues Limit (MRL) on aflatoxins in 2002, and its impact on African exports of groundnut products. We show that the MRL set by the EU has no significant trade impact on groundnut exports from...

We provide an ex-post econometric examination of the harmonization and tightening of the EU Maximum Residues Limit (MRL) on aflatoxins in 2002 and its impact on African exports of groundnut products. We show that the MRL set by the EU has no significant trade impact on groundnut exports from...

Multilateral negotiations on agriculture in the WTO are making very little progress as developed economies are reluctant to bind trade-distorting domestic support and import tariffs at levels acceptable to developing countries. This paper presents the basic Bagwell-Staiger framework as it...

In most demographic transitions, declines in child mortality precede declines in net fertility rates. Variants of the Barro-Becker model of fertility fail to deliver this link. A simple extension, the inclusion of social norms regarding fertility, generates the desired effect.

Dominant paradigms of fertility choice either ignore or assume small, unchanging costof fertility limitation. Inspired by the historical English experience that is contrary to suchassumptions,we modify the Beckerian paradigm to incorporate costly, societal influence oncontraception. In the model...