Note April 9, 2012: we found an error in the program calculating the commodity scores. We are holding the working paper temporarily and will be posting a corrected paper soon. The authors.We propose aggregation indices of Non-Tariff Measures (NTMs) to quantify their protectionism relative to...

We propose aggregation indices of Non-Tariff Measures (NTMs) to quantify their protectionism relative to international standards. We apply the indices to national Maximum Residue Limit (MRL) regulations affecting agricultural and food trade and using a science-based criteria embodied in Codex...