This study investigates the attitude and practices of GM and non-GM maize farmers in Portugal. Thirty seven GM maize farmers were interviewed representing 22.5% of the total number of GM maize notifications in the country. Additionally, 66 non-GM maize farmers were surveyed in an attempt to...

In 1998, Genetically Modified (GM) maize entered European Agriculture. After the publication of the European Commission's guidelines on coexistence in 2003, Portugal developed ex-ante regulatory and ex-post tort liability rules on the coexistence of GM and non-GM maize crops. There is an...

Agricultural production in greenhouses is an important user of energy and can lead to greenhouse gas emissions. This study uses Data Envelopment Analysis to compute input-based technical efficiency measures and energy efficiency of Michigan greenhouse growers. A two-limit Tobit model is used to...