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Samuelson'S Full Duality And The Use Of Directed Acyclical Graphs: The Birth Of Causally Identified Demand Systems


  • Stockton, Matthew C.
  • Capps, Oral, Jr.
  • Bessler, David A.


To date, mixed demand systems have been all but ignored in empirical work. A possible reason for the scarcity of such applications is that one needs to know a priori which prices and quantities are endogenous in the mixed demand system. By using a directed acyclical graph (DAG), causal relationships among price and quantity variables are identified giving rise to a causally identified demand system (CIDS). A statistical comparison is made of the traditional Rotterdam model with a Rotterdam mixed demand system identified through the use of a DAG. In this analysis, the respective Rotterdam demand systems consist of five products: steak, ground beef, roast beef, pork, and chicken.

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  • Stockton, Matthew C. & Capps, Oral, Jr. & Bessler, David A., 2004. "Samuelson'S Full Duality And The Use Of Directed Acyclical Graphs: The Birth Of Causally Identified Demand Systems," 2004 Annual meeting, August 1-4, Denver, CO 19969, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  • Handle: RePEc:ags:aaea04:19969

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    1. Giancarlo Moschini & Vissa Anuradha, 1993. "Flexible Specification of Mixed Demand Systems," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 75(1), pages 1-9.
    2. Chavas, Jean-Paul, 1984. "The theory of mixed demand functions," European Economic Review, Elsevier, vol. 24(3), pages 321-344, April.
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    Demand and Price Analysis;


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