This project explores the similarities and the differences in the policies influencing the market for five key Mediterranean commodities. The commodities are olives (including table olives and olive oil), grapes (including table grapes, wine and raisins), tree-nuts (primarily almonds), citrus (primarily oranges), and tomatoes (including fresh and canned tomatoes).
See PDF article here: Mediterranean Agriculture in the Global Marketplace: A Project Comparing Policy Approaches in California and the Southern EU States by Lee Ann Patterson and Tim Josling.