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Identification issues in models for underreported counts

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  • Georgios Papadopoulos
  • J. M. C. Santos Silva

    ()

Abstract

In this note we study the conditions under which leading models for underreported counts are identified. In particular, we highlight a peculiar identification problem that afflicts two of the most popular models in this class.

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File URL: http://www.essex.ac.uk/economics/discussion-papers/papers-text/dp657.pdf
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Bibliographic Info

Paper provided by University of Essex, Department of Economics in its series Economics Discussion Papers with number 657.

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Date of creation: 29 Jul 2008
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Handle: RePEc:esx:essedp:657

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  1. Mullahy, John, 1986. "Specification and testing of some modified count data models," Journal of Econometrics, Elsevier, vol. 33(3), pages 341-365, December.
  2. Deb, Partha & Trivedi, Pravin K., 2002. "The structure of demand for health care: latent class versus two-part models," Journal of Health Economics, Elsevier, vol. 21(4), pages 601-625, July.
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Cited by:
  1. Georgios Papadopoulos, 2013. "Immigration Status and Victimization: Evidence from the British Crime Survey," University of East Anglia Applied and Financial Economics Working Paper Series 042, School of Economics, University of East Anglia, Norwich, UK..
  2. Kevin E. Staub & Rainer Winkelmann, 2013. "Consistent Estimation Of Zero‐Inflated Count Models," Health Economics, John Wiley & Sons, Ltd., vol. 22(6), pages 673-686, 06.
  3. Papadopoulos, Georgios & Santos Silva, J.M.C., 2012. "Identification issues in some double-index models for non-negative data," Economics Letters, Elsevier, vol. 117(1), pages 365-367.

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