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Technical Barriers to Interstate Trade: Noxious Weed Regulations

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  • Gopinath, Munisamy
  • Min, He
  • Buccola, Steven T.

Abstract

We focus on regulations controlling the spread of noxious weeds, especially the trade effects of regulatory differences across U.S. states. We specify a gravity model for each state’s seed, nursery product, and commodity trade with each other state. Within the gravity model, we examine the role of cross-state regulatory congruence arising from ecological and agronomic characteristics and interest-group lobbying. A spatial-autoregressive Tobit model is estimated with a modified expectation-maximization algorithm. Results show that weed regulatory congruence positively affects interstate trade. By fostering cross-state regulatory differences, consumer and commodity-producer lobbying reduce the value of interstate trade by about two percent per annum.

Suggested Citation

  • Gopinath, Munisamy & Min, He & Buccola, Steven T., 2010. "Technical Barriers to Interstate Trade: Noxious Weed Regulations," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 42(4), pages 1-14, November.
  • Handle: RePEc:ags:joaaec:100527
    DOI: 10.22004/ag.econ.100527
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    Keywords

    Agribusiness; Community/Rural/Urban Development; Food Consumption/Nutrition/Food Safety; Land Economics/Use; Political Economy; Public Economics; Research Methods/ Statistical Methods;
    All these keywords.

    JEL classification:

    • F1 - International Economics - - Trade
    • H7 - Public Economics - - State and Local Government; Intergovernmental Relations
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics

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