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Unbalanced Nested Component Error Model and the Value of Soil Insecticide and Bt Corn for Controlling Western Corn Rootworm

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Author Info
Yang, Juan (Texas A&M U)
Mitchell, Paul D. (U of Wisconsin)
Gray, Michael (U of Illinois, Urbana-Champaign)
Steffey, Kevin

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Abstract

We describe four recently developed panel data estimators for unbalanced and nested data, a common problem for economic and experimental data. We estimate a western corn rootworm damage function with each estimator, including separate parameters for random effects from year, location, and experimental errors. We then use each estimator to assess the cost of the western corn rootworm soybean variant and the net benefit of soil insecticide and Bt corn for controlling this pest. At current prices, we find that soil insecticide generates a net loss ranging about $0.50-$3.25/ac, while Bt corn generates a net benefit ranging $2.50-$7.00/ac.

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File URL: http://www.aae.wisc.edu/pubs/sps/pdf/stpap510.pdf
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Paper provided by University of Wisconsin, Agricultural and Applied Economics in its series Staff Paper Series with number 510.

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Date of creation: Jul 2007
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Handle: RePEc:ecl:wisagr:510

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  1. 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. [Downloadable!] (restricted)
  2. Bruce A. Babcock & Chad E. Hart & Dermot J. Hayes, 2004. "Actuarial Fairness of Crop Insurance Rates with Constant Rate Relativities," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 86(3), pages 563-575, 08. [Downloadable!] (restricted)
    Other versions:
  3. Coble, Keith H. & Heifner, Richard G. & Zuniga, Manuel, 2000. "Implications Of Crop Yield And Revenue Insurance For Producer Hedging," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 25(02), December. [Downloadable!]
  4. Baltagi, Badi H. & Chang, Young-Jae, 1994. "Incomplete panels : A comparative study of alternative estimators for the unbalanced one-way error component regression model," Journal of Econometrics, Elsevier, vol. 62(2), pages 67-89, June. [Downloadable!] (restricted)
  5. Mitchell, Paul D., 2002. "Yield Benefit Of Corn Event Mon 863," Faculty Paper Series 23978, Texas A&M University, Department of Agricultural Economics. [Downloadable!]
  6. Mitchell, Paul D. & Hurley, Terrance M. & Babcock, Bruce A. & Hellmich, Richard L., 2002. "Insuring the Stewardship of Bt Corn: A Carrot versus a Stick," Staff General Research Papers 10073, Iowa State University, Department of Economics.
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  7. Viliam Druska & William C. Horrace, 2004. "Generalized Moments Estimation for Spatial Panel Data: Indonesian Rice Farming," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 86(1), pages 185-198, 02. [Downloadable!] (restricted)
    Other versions:
  8. Moulton, Brent R., 1986. "Random group effects and the precision of regression estimates," Journal of Econometrics, Elsevier, vol. 32(3), pages 385-397, August. [Downloadable!] (restricted)
  9. Paul D. Mitchell & Michael E. Gray & Kevin L. Steffey, 2004. "A Composed-Error Model for Estimating Pest-Damage Functions and the Impact of the Western Corn Rootworm Soybean Variant in Illinois," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 86(2), pages 332-344, 05. [Downloadable!] (restricted)
  10. 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. [Downloadable!] (restricted)
  11. Antweiler, Werner, 2001. "Nested random effects estimation in unbalanced panel data," Journal of Econometrics, Elsevier, vol. 101(2), pages 295-313, April. [Downloadable!] (restricted)
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  14. 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. [Downloadable!] (restricted)
  15. Thomas J. Kniesner & James P. Ziliak, 2002. "Tax Reform and Automatic Stabilization," American Economic Review, American Economic Association, vol. 92(3), pages 590-612, June. [Downloadable!]
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  16. Terrance M. Hurley & Paul D. Mitchell & Marlin E. Rice, 2004. "Risk and the Value of Bt Corn," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 86(2), pages 345-358, 05. [Downloadable!] (restricted)
  17. Swamy, P A V B & Arora, S S, 1972. "The Exact Finite Sample Properties of the Estimators of Coefficients in the Error Components Regression Models," Econometrica, Econometric Society, vol. 40(2), pages 261-75, March. [Downloadable!] (restricted)
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