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The Spatial Integration of Paddy Markets in Vietnam

Author

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  • Bob Baulch
  • Henrik Hansen
  • Le Dang Trung
  • Tran Ngo Minh Tam

Abstract

This paper examines whether there is spatial integration between and within paddy markets in the north and south of Vietnam. The empirical model developed uses estimates of transfer costs to generalise Ravallion's model of spatial market integration to allow for threshold effects. A sequential testing strategy is used to test for market segmentation, the number of thresholds, long‐run integration, informational efficiency and the Law of One Price within an error‐correction framework. We find neither threshold effects nor weak evidence of paddy market integration between northern and southern Vietnam. There is, however, evidence of both threshold effects and stronger market integration within the Red and Mekong River deltas. Whenever price spreads exceed their thresholds, at least 60% of price changes are transmitted between regional markets within a month. Nonetheless, the instantaneous version of the Law of One Price only holds for a few regimes and market pairs. These results suggest that national level policies cannot be relied upon to stabilise or support paddy prices in Vietnam. Instead, policies need to be designed with the specific production, consumption and marketing characteristics of northern and southern Vietnam in mind.

Suggested Citation

  • Bob Baulch & Henrik Hansen & Le Dang Trung & Tran Ngo Minh Tam, 2008. "The Spatial Integration of Paddy Markets in Vietnam," Journal of Agricultural Economics, Wiley Blackwell, vol. 59(2), pages 271-295, June.
    • Handle: RePEc:bla:jageco:v:59:y:2008:i:2:p:271-295
    DOI: 10.1111/j.1477-9552.2007.00148.x
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    References listed on IDEAS

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    1. Barker, Randolph & Ringler, Claudia & Tien, Nguyen Minh & Rosegrant, Mark W., 2004. "Macro policies and investment priorities for irrigated agriculture in Vietnam," IWMI Research Reports 92833, International Water Management Institute.
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    1. Fabio Gaetano Santeramo, 2015. "Price Transmission in the European Tomatoes and Cauliflowers Sectors," Agribusiness, John Wiley & Sons, Ltd., vol. 31(3), pages 399-413, June.
    2. Pham Van Ha & Hoa Thi Minh Nguyen & Tom Kompas & Tuong Nhu Che & Bui Trinh, 2015. "Rice Production, Trade and the Poor: Regional Effects of Rice Export Policy on Households in Vietnam," Journal of Agricultural Economics, Wiley Blackwell, vol. 66(2), pages 280-307, June.
    3. Hoa-Thi-Minh Nguyen & Huong Do & Adrian Kay & Tom Kompas, 2020. "Rice policy in a transitional economy: balancing the social and political objectives," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 12(3), pages 549-566, June.
    4. Nyondo, Christone R.J & Davidova, Sophia M. & Bailey, Alastair, 2013. "On Market Liberalisation and Efficiency: A Structural VECM Analysis of Dry Beans Markets in Malawi," 87th Annual Conference, April 8-10, 2013, Warwick University, Coventry, UK 158696, Agricultural Economics Society.
    5. Tran Quoc Nhan & Le Thi Van Ly & Le Van Tan, 2020. "How Much Do Rice Farmers Earn from Their Crops, Evidence from a Rice-Exporting Country," Journal of Agricultural Studies, Macrothink Institute, vol. 8(1), pages 302-312, March.
    6. Hailemariam Ayalew & Dagim G. Belay, 2020. "The Ethiopian Commodity Exchange and Spatial Price Dispersion: Disentangling Warehouse and Price Information effects," IFRO Working Paper 2020/01, University of Copenhagen, Department of Food and Resource Economics.
    7. Nguyen, Hoa-Thi-Minh & Do, Huong & Kompas, Tom, 2021. "Economic efficiency versus social equity: The productivity challenge for rice production in a ‘greying’ rural Vietnam," World Development, Elsevier, vol. 148(C).
    8. Nelissa Jamora & Stephan Cramon-Taubadel, 2016. "Transaction Cost Thresholds in International Rice Markets," Journal of Agricultural Economics, Wiley Blackwell, vol. 67(2), pages 292-307, June.
    9. Loening, Josef L., 2011. "Lao People’s Democratic Republic: responding to rice price inflation," MPRA Paper 33443, University Library of Munich, Germany.

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