The record price development in commodity markets during the economic boom period lasting from early 2000 to mid 2008 highlighted a perceived scarcity particularly in metal markets that contrasted the preceding period beginning in the late 1970s of largely abundant availability and falling real...

A methodology is offered which can be used to construct an econometric model in the presence of structural change of an evolutionary type. The theoretical basis for such modelling is drawn from the self-organisation approach and operationalised in the context of the logistic diffusion growth...

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...

"The common-property literature has often focused on the question of efficiency. Here we consider distributional issues instead. How should the benefits of the commons (say, a fishery) be distributed? We approach the question from the viewpoint of ownership rather than income redistribution. "A...

"Institutional approaches to social dilemmas have so far focused on how to create incentive structures that channel individuals' behavior into socially desirable outcomes assuming that everyone is selfish. However, the presumption of universal selfishness is not only empirically invalid but may...

"In this study, individual level behavior is investigated in the context of computer assisted voluntary contribution mechanism public good (VCM) provision experiments and common pool resource (CPR) appropriation experiments. Previous studies of these environments have concentrated on aggregate...