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Changes in the Structure of Supply Response in the Australian Pig Industry

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  • Richardson, Robert A.
  • O'Connor, J.G.

Abstract

Results of a study of sow inventory and pig supply responses are reported in this paper. Annual time series data (1953-54 to 1974-75) were used to estimate a two equation recursive model for Australia. Tests for structural changes in sow inventory response were conducted over time for Australian data and between regions for Victorian data. Single period lags of sow inventories, pig prices and feed prices were used to estimate short-run and long-run elasticities. The results yield information on pig supply additional to that presently available in the published literature. Evidence of structural change is reflected in elasticities of sow inventory response. While the hypothesis of structural change is statistically supported for regional aggregates of Victoria, the hypothesis of structural change over time was rejected using aggregate data for Australia.

Suggested Citation

  • Richardson, Robert A. & O'Connor, J.G., 1978. "Changes in the Structure of Supply Response in the Australian Pig Industry," Review of Marketing and Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 46(03), pages 1-18, December.
    • Handle: RePEc:ags:remaae:10293
    DOI: 10.22004/ag.econ.10293
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    References listed on IDEAS

    as
    1. Marc Nerlove, 1956. "Estimates of the Elasticities of Supply of Selected Agricultural Commodities," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 38(2), pages 496-509.
    2. Harlow, Arthur A., 1962. "Factors Affecting the Price and Supply of Hogs," Technical Bulletins 170999, United States Department of Agriculture, Economic Research Service.
    3. Gerald W. Dean & Earl O. Heady, 1958. "Changes in Supply Response and Elasticity for Hogs," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 40(4), pages 845-860.
    4. Brian S. Fisher, 1975. "Supply Response In The Wheat‐Belt Of South‐Eastern Australia: The Impact Of Delivery Quotas On Wheat Plantings," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 19(2), pages 81-93, August.
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    1. J. P. Voon & G. W. Edwards, 1991. "Research Payoff From Quality Improvement: The Case Of Backfat Depth In Pigs," Journal of Agricultural Economics, Wiley Blackwell, vol. 42(1), pages 66-76, January.
    2. Freebairn, John W., 1983. "Drought Assistance Policy," Australian Journal of Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 27(3), pages 1-15, December.
    3. J. P. Voon, 1991. "Measuring Research Benefits From A Reduction Of Pale, Soft And Exudative Pork In Australia," Journal of Agricultural Economics, Wiley Blackwell, vol. 42(2), pages 180-183, May.
    4. Wilcox, Christopher J., 1989. "Social Costs Of Regulation Of Primary Industry: An Application To Animal Welfare Regulation Of The Victorian Pig Industry," Australian Journal of Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 33(3), pages 1-16, December.
    5. T. J. P. Voon, 1992. "A Cross‐Commodity Appraisal Of Demand‐Raising Research Benefits: Pork And Chicken In Australia," Journal of Agricultural Economics, Wiley Blackwell, vol. 43(2), pages 243-247, May.
    6. Voon, Thomas Jan P. & Edwards, Geoff W., 1990. "Research Payoffs from Quality Improvement: The Case of Backfat Depth in Pig Carcasses," 1990 Conference (34th), February 13-15, 1990, Brisbane, Australia 145445, Australian Agricultural and Resource Economics Society.

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