Prentice, B.E., Z. Wang, and H.J. Urbina. 1998. ”Derived Demand for Refrigerated
Truck Transport: A Gravity Model Analysis of Canadian Pork Exports to the United
States.” Canadian Journal of Agricultural Economics 46(3): 317-328.
Viner, J., (1950) ”The Customs Union Issue”, New York: Carnegie Endowment For
International Peace
Vollrath, T.L., C.B. Hallahan, and M.J. Gehlhar. 2006. ”Consumer Demand and Cost
Factors Shape the Global Trade Network in Commodity and Manufactured Foods.”
Canadian Journal of Agricultural Economics 54(4): 497-511.
World Bank Report (2000) ”Mapping Of Regional Trade
Agreements”, Report Number Wt/Reg/W/41 (Available At
Http://Www.Wto.Org/English/Tratop_E/Region_E/Wtregw41_E.Doc)
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