"In this article, we build on previous valuation studies to contribute to the understanding of preferences toward conservation of endangered species elicited via willingness to pay. In particular, we assess the effect of the existence of biological substitutes of local endangered species. We...

While Genetically Modified (GM) crops and foods are in production and on the shelves of supermarkets in many countries, they are still under much criticism and scrutiny around the world. Many studies report that consumers' perceptions towards biotechnology are mixed. The main contribution of...