1. Co-existence rules and regulations in the European Union;American Journal of Agricultural Economics,2006
2. Ex-ante regulation and ex-post liability under uncertainty and irreversibility: governing the coexistence of GM crops;Economics: The Open-Access, Open-Assessment E-Journal,2010
3. Spatial dimension of externalities and the Coase theorem: implications for coexistence of transgenic crops,2007
4. Genetically modified crops and agricultural landscapes: spatial patterns of contamination;Ecological Economics,2005
5. US regulation of agricultural biotechnology: an overview;AgBioForum,2000