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A test for multimodality of regression derivatives with application to nonparametric growth regressions

  • Daniel J. Henderson

    (Department of Economics, State University of New York at Binghamton, Binghamton, NY, USA)

This paper presents a method to test for multimodality of an estimated kernel density of derivative estimates from a nonparametric regression. The test is included in a study of nonparametric growth regressions. The results show that in the estimation of unconditional β-convergence the distribution of the partial effects is multimodal, with one mode in the negative region (primarily OECD economies) and possibly two modes in the positive region (primarily non-OECD economies) of the estimates. The results for conditional β-convergence show that the density is predominantly negative and there is mixed evidence that the distribution is unimodal. Copyright © 2009 John Wiley & Sons, Ltd.

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Article provided by John Wiley & Sons, Ltd. in its journal Journal of Applied Econometrics.

Volume (Year): 25 (2010)
Issue (Month): 3 ()
Pages: 458-480

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Handle: RePEc:jae:japmet:v:25:y:2010:i:3:p:458-480
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