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J. Anderson and E. Van-wincoop, Trade Costs, Journal of Economic Literature, vol.42, issue.3, pp.691-751, 2004.
DOI : 10.1257/0022051042177649

S. Andriamananjara, J. M. Dean, R. Feinberg, M. J. Ferrantino, R. Ludema et al., The Effects of Non-Tariff Measures on Prices, Trade, and Welfare: CGE Implementation of Policy-Based Price Comparisons, SSRN Electronic Journal, 2004.
DOI : 10.2139/ssrn.539705

J. Anson, O. Cadot, and E. M. Olarreaga, Tariff Evasion and Customs Corruption: Does Pre-Shipment Inspection Help?, Contributions to Economic Analysis & Policy, vol.5, issue.1, pp.1600-1600, 2006.
DOI : 10.2202/1538-0645.1600
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.491.3982

G. Becker, Non-Tariff Measures ?Issues for Sub-Saharan Africa, UNDP report, 2005.

J. C. Beghin and J. C. Bureau, Quantification of Sanitary, Phytosanitary and Technical Barriers to trade for Trade Policy Analysis, Center for Agricultural and Rural Development Working Paper WP291, 2001.

J. C. Beghin, Nontariff Barriers " , forthcoming in the New Palgrave Dictionary of Economics, 2006.

M. Berthelon and C. Freund, On the conservation of distance in international trade, Journal of International Economics, vol.75, issue.2, pp.310-330, 2008.
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B. Bora, A. Kuwahara, and S. Laird, Quantification of non-tariff measures " , UNCTAD Policy issues series #18, 2002.

O. Cadot, Streamlining NTMs through regulatory reform: Lessons from the Mexican experience, 2009.

O. Cadot and J. De-melo, Why the OECD Should Reform their Rules of Origincontent MDK:21085342~pagePK:64214825~piPK:64214943~theSitePK:469382,00.html 17 available at http://spsims.wto.org/ 18 available at http://go.worldbank.org/6OEYNCYSD0 19 The online business survey was closed by the end of, World Bank Research Observer, 2008.

G. Becker, Non-Tariff Measures ?Issues for Sub-Saharan Africa, UNDP report, 2005.

B. Bora, A. Kuwahara, and S. Laird, Quantification of non-tariff measures, UNCTAD Policy issues series #18, 2002.

. Subject, Comprehensive review of various approaches to measure and quantify NTMs within the context of existing data sets It covers much of the same ground as Has a clear presentation of the pros and cons of different approaches. The paper applies the same methods as in other reports (i.e. inventory approach, tariff equivalent, TRI, etc.). The only tables reported are NTB coverage for selected countries and some frequency statistics of NTBs. The paper comes up with the same conclusion, the existing collection on NTBs, while better than nothing, 1997.

A. V. Deardorff and R. Stern, Measurement of Non-Tariff Barriers, OECD Working Papers #179, 1997.
DOI : 10.1787/568705648470

. Sample, Case studies in the OECD pilot group Selected countries for the OECD Pilot Group, US. Data: from UNCTAD database and diverse case studies on NTBs done, 1995.

W. A. Donelly and D. Manifold, A Compilation of Reported Non-Tariff Measures: Description of the Information, US international trade commission Working Paper #2005-05-A, 2005.
DOI : 10.2139/ssrn.970326

. Framework, Quantitative description from their matrix of data: number of each type of NTM per countries, or of each type of generic barriers by each category of NTM, number of NTM by sector and product

B. Hoekman and A. Nicita, Trade policy, trade costs, and developing country trade, 2008.

W. Bank, E. , N. , and A. , A Survey of Non-Tariff Measures in the East Asia and Pacific Region Up-to-date review of the literature on NTM measurement along the lines in Bora et al. (2002) and Deardorff and Stern (1997) recognizing that their effects cannot be measured satisfactorily, nor can they be ranked, justifying a case study approach. Good discussion of the avenues to reduce NTMs at the multilateral (WTO) and at the regional levels, Policy Research Report, vol.Subject, 2008.