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Farm-Level Data Model For Agricultural Policy Analysis: A Two-Way Ecm Approach

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  • Sckokai, Paolo
  • Moro, Daniele
  • Platoni, Silvia

Abstract

Econometric models wishing to estimate relevant parameters for agricultural policy analysis are increasingly relying on unbalanced panels of farm-level data. Since in the agricultural economics literature such models have often been estimated through simplified approaches, in this paper we try to verify whether the adoption of more sophisticated panel data techniques may impact the estimation results. For this reason, the policy model by Moro and Sckokai (1999) has been re-estimated using techniques recently developed in the econometric literature. The preliminary results show a strong impact on the estimations. This seems to suggest that the adoption of proper panel-data techniques is likely to be very important in order to obtain reliable estimates of some key policy parameters.

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Bibliographic Info

Paper provided by European Association of Agricultural Economists in its series 107th Seminar, January 30-February 1, 2008, Sevilla, Spain with number 6693.

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Date of creation: 2008
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Handle: RePEc:ags:eaa107:6693

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Keywords: Agricultural policy; Panel data; Systems of equations; Agricultural and Food Policy; Research Methods/ Statistical Methods;

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References

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  1. Wansbeek, Tom & Kapteyn, Arie, 1989. "Estimation of the error-components model with incomplete panels," Journal of Econometrics, Elsevier, vol. 41(3), pages 341-361, July.
  2. Teresa Serra & David Zilberman & Barry K. Goodwin & Allen Featherstone, 2006. "Effects of decoupling on the mean and variability of output," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 33(3), pages 269-288, September.
  3. Biorn, Erik, 2004. "Regression systems for unbalanced panel data: a stepwise maximum likelihood procedure," Journal of Econometrics, Elsevier, vol. 122(2), pages 281-291, October.
  4. Paolo Sckokai & Daniele Moro, 2006. "Modeling the Reforms of the Common Agricultural Policy for Arable Crops under Uncertainty," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 88(1), pages 43-56.
  5. Davis, Peter, 2002. "Estimating multi-way error components models with unbalanced data structures," Journal of Econometrics, Elsevier, vol. 106(1), pages 67-95, January.
  6. H. Baltagi, Badi & Heun Song, Seuck & Cheol Jung, Byoung, 2001. "The unbalanced nested error component regression model," Journal of Econometrics, Elsevier, vol. 101(2), pages 357-381, April.
  7. Teresa Serra & David Zilberman & Barry K. Goodwin & Keijo Hyvonen, 2005. "Replacement of Agricultural Price Supports by Area Payments in the European Union and the Effects on Pesticide Use," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 87(4), pages 870-884.
  8. Barry K. Goodwin & Ashok K. Mishra, 2006. "Are “Decoupled” Farm Program Payments Really Decoupled? An Empirical Evaluation," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 88(1), pages 73-89.
  9. Boumahdi, R. & Chaaban, J. & Thomas, A., 2004. "Import demand estimation with country and product effects : application of multi-way unbalanced panel data models to Lebanese imports," Economics Working Paper Archive (Toulouse) 200417, French Institute for Agronomy Research (INRA), Economics Laboratory in Toulouse (ESR Toulouse).
  10. Paolo Sckokai & Jes�s Ant�n, 2005. "The Degree of Decoupling of Area Payments for Arable Crops in the European Union," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 87(5), pages 1220-1228.
  11. Sckokai, Paolo & Moro, Daniele, 2002. "Modelling The Cap Arable Crop Regime Under Uncertainty," 2002 Annual meeting, July 28-31, Long Beach, CA 19860, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  12. J. Scott Shonkwiler & Steven T. Yen, 1999. "Two-Step Estimation of a Censored System of Equations," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(4), pages 972-982.
  13. Alfons Oude Lansink, 1999. "Area Allocation Under Price Uncertainty on Dutch Arable Farms," Journal of Agricultural Economics, Wiley Blackwell, vol. 50(1), pages 93-105.
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Cited by:
  1. Hoveid, Oyvind & Raknerud, A., 2008. "Dynamics of income, wealth and capital in Norwegian farm household accounts: A state-space model," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44461, European Association of Agricultural Economists.
  2. Moro, Daniele, 2008. "Market And Policy Issues In Micro-Econometric Demand Modeling," 107th Seminar, January 30-February 1, 2008, Sevilla, Spain 6500, European Association of Agricultural Economists.

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