1. Trade costs;Anderson;J. Econ. Lit.,2004
2. Mostly Harmless Econometrics: An Empiricist's Companion;Angrist,2009
3. The Political Economy of U.S. Import Policy;Baldwin,1985
4. Single market non-compliance: how relevant is the institutional setting?;Barbosa,2015
5. Evolution of Non-Tariff Measures: Emerging Cases from Selected Developing Countries. Policy Issues in International Trade and Commodities. UNCTAD Study Series 52;Basu,2011