1. Trade, standards, and the political economy of genetically modified food;Anderson;CEPR discussion papers,2004
2. Goodwill bazaar: NGO competition and giving to development;Aldashev;J. Dev. Econ,2010
3. The impact of rules of origin on trade flows;Augier;Econ. Pol,2005
4. EU food-safety standards, pesticide use and farm level productivity: The case of high-value crops in Kenya;Asfaw;J. Agric. Econ,2009
5. Bacchetta , M. Beverelli , C. 2012 Non-tariff measures and the WTO VoxEU.org http://www.voxeu.org/article/trade-barriers-beyond-tariffs-facts-and-challenges