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Changing contributions of different agricultural policy instruments to global reductions in trade and welfare

  • Anderson, Kym
  • Croser, Johanna L.

Trade negotiators and policy advisors are keen to know the relative contribution of different farm policy instruments to international trade and economic welfare. Nominal rates of assistance or producer support estimates are incomplete indicators, especially when (especially in developing countries) some commodities are taxed and others are subsidized in which case positive contributions can offset negative contributions. This paper develops and estimates a new set of more-satisfactory indicators to examine the relative contribution of different farm policy instruments to reductions in agricultural trade and welfare, drawing on recent literature on trade restrictiveness indexes and a recently compiled database on distortions to agricultural prices for 75 developing and high-income countries over the period 1960 to 2004. Results confirm earlier findings that border taxes are the dominant instrument affecting global trade and welfare, but they also suggest declines in export taxes contributed nearly as much as cuts in import protection to global welfare gains from agricultural policy reforms since the 1980s.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 7748.

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Date of creation: Mar 2010
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Handle: RePEc:cpr:ceprdp:7748
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  1. Anderson, Kym & Martin, Will, 2005. "Agricultural trade reform and the Doha development agenda," Policy Research Working Paper Series 3607, The World Bank.
  2. Anderson, Kym & Martin, Will & Valenzuela, Ernesto, 2006. "The Relative Importance of Global Agricultural Subsidies and Market Access," CEPR Discussion Papers 5569, C.E.P.R. Discussion Papers.
  3. Lloyd, Peter J. & Croser, Johanna L. & Anderson, Kym, 2009. "Global Distortions to Agricultural Markets: New Indicators of Trade and Welfare Impacts, 1955 to 2007," 2009 Conference (53rd), February 11-13, 2009, Cairns, Australia 48049, Australian Agricultural and Resource Economics Society.
  4. Anderson, Kym & Martin, William J., 2007. "Distortions to Agricultural Incentives in Asia," Agricultural Distortions Working Paper 48557, World Bank.
  5. Anderson, Kym & Kurzweil, Marianne & Martin, Will & Sandri, Damiano & Valenzuela, Ernesto, 2008. "Measuring distortions to agricultural incentives, revisited," World Trade Review, Cambridge University Press, vol. 7(04), pages 675-704, October.
  6. Kee, Hiau Looi & Nicita, Alessandro & Olarreaga, Marcelo, 2006. "Estimating trade restrictiveness indices," Policy Research Working Paper Series 3840, The World Bank.
  7. Diao, Xinshen & Somwaru, Agapi & Roe, Terry L., 2001. "A Global Analysis Of Agricultural Trade Reform In Wto Member Countries," Bulletins 12984, University of Minnesota, Economic Development Center.
  8. James E. Anderson & J. Peter Neary, 2005. "Measuring the Restrictiveness of International Trade Policy," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262012200, June.
  9. Orden, David & Cheng, Fuzhi & Nguyen, Hoa & Grote, Ulrike & Thomas, Marcelle & Mullen, Kathleen & Sun, Dongsheng, 2007. "Agricultural producer support estimates for developing countries: Measurement issues and evidence from India, Indonesia, China, and Vietnam," Research reports 152, International Food Policy Research Institute (IFPRI).
  10. Teresa Serra & David Zilberman & Barry K. Goodwin & Allen Featherstone, 2006. "Effects of decoupling on the mean and variability of output," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 33(3), pages 269-288, September.
  11. repec:cup:cbooks:9780521351058 is not listed on IDEAS
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