The objective of this paper is to compare the “relative†and the “absolute†impact on farmers’ income of several economic instruments which may be implemented to mitigate farmers' groundwater withdrawals in a multi-resource system. We conducted fine-tuned field work with...

Este trabajo profundiza en la evolución de la situación hídrica de la Comunidad General de Riegos del Alto Aragón (127.210 ha), localizada en el noreste español. Se analiza para el conjunto de esta zona regable y para cada una de sus 58 comunidades de regantes la evolución de las demandas...

J. Díaz Osorio, R. Jara-Rojas and F. Moya. 2012. Environmental and economic impact to the liberalization of genetic modified maize in Chile. Currently, about 125 million of hectares of GM crops are grown in 25 countries. Some authors establish that GM crops have contributed to reduce the...

A framework is developed to examine organic crop insurance established by the Risk Management Agency (RMA). Given that the RMA links organic and conventional crop prices, the model is calibrated to reflect both markets to illustrate the impacts that pricing has on insurance coverage. Findings...

Proposition 37 would have required genetically engineered food in California to be labeled. This paper reports the results of a survey designed to determine Californians’ voting intentions prior to the vote, perceptions about the prevalence of genetically engineered foods in the United...

This study evaluates all USDA cotton supply and demand estimates for the United States and China (including unpublished price forecasts) from 1985/86 through 2009/10 for accuracy and efficiency. Results reveal that at every stage of the forecasting cycle forecast smoothing was the most...

Since 2000, approximately $50 million per year has been spent to control infestations of the Glassy-Winged Sharpshooter (GWSS), an insect that spreads Pierce’s Disease (PD). This amount includes the costs of state and federal efforts to monitor and control the GWSS, research on PD/GWSS,...

Significant quantity of renewable plant biomass comes into existence in Hungary year by year. Nowadays there are different wellknow possibilities for utilization. However these methods are not widely accepted. The most important obstacle is frequently caused by lack of knowledge of farmers....