As worldwide consumer demand for high-quality products and for information about these products increases, labels and geographical indications (GIs) can serve to signal quality traits to consumers. However, GI systems among countries are not homogeneous and can be used as trade barriers against...

O trabalho analisa a cadeia produtiva da carne bovina (CPCB) no Brasil, sob o enfoque do comércio exterior, apresentando como base conceitual o estudo de cadeia produtiva no agronegócio e como método de coleta de dados secundários, o Mecasis. Tem, como objetivo, detectar os principais...

The development of genetically modified (GM) agricultural products requires new policies to manage potential food safety and environmental risks. The policy positions taken to date on GM foods by the United States and the European Union are very different. The US has few restrictions on...

International negotiations for an agreement to reduce the emission of greenhouse gases are unlikely to produce concrete and comprehensive policies for effective emission reductions in the near term, not least because the policy measures being considered are economically very costly to major...

This paper analyzes optimal pricing for information goods underincomplete information, when both unlimited-usage (fixed-fee) pricingand usage-based pricing are feasible and administering usage-basedpricing may involve transaction costs. It is shown that offeringfixed-fee pricing in addition to a...

The work presented here is part of a wider research programme oriented around three specific questions. First, how do individual agents appropriate returns from innovation and how is this affected by the availability (or not) of intellectual property rights such as copyrights and patents?...

We develop a new partial equilibrium, four-region world trade model for the soybean complex comprising soybeans, soybean oil, and soybean meal. In the model, some consumers view genetically modified Roundup Ready (RR) soybeans and products as weakly inferior to conventional ones; the RR seed is...

Interspatial and intertemporal grain distribution in Ghana is a private sectoractivity carried out mainly by traders. These traders sometimes collude to maximize theirjoint profits. By so doing they influence the conduct of the grains market. To examine theeffect of their actions on the informal...