The preamble to this paper highlights some of the major policy issues facing Vietnam as far as its supply of pork is concerned, in particular, the problem of its demand for pork rising at a faster rate than its supply. Some relevant background to this research project is provided by outlining...

Willingness to pay models have shown the theoretical relationships between the contingent valuation, cost of illness and the avertive behaviour approaches. In this paper, field survey data are used to compare the relationships between these three approaches and to demonstrate that contingent...

Ecological, evolutionary and economic issues involved in introducing genetically modified organisms (GMOs), mainly in agriculture, are discussed. The ecological and evolutionary impacts identified hamper (economic) valuation of GMOs and their biosafety regulation and creates difficulties for...