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Test for randomness of the technology parameter in a stochastic frontier regression model

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Abstract

This paper considers the problem of testing for randomness of the technology parameter in a stochastic frontier regression model. A test statistic is proposed and its asymptotic distribution theory is discussed. Simulation results show that the proposed test maintains its level and also quite powerful against various alternatives. An empirical investigation has been carried out by applying the suggested test procedure to the data set on electric utility companies. The results are consistent with the general finding that the technology parameter of the stochastic frontier model used for modeling these data is random.

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Correspondence to T. V. Ramanathan.

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Ramanathan, T.V., Ghadge, C. Test for randomness of the technology parameter in a stochastic frontier regression model. Stat Methods Appl 19, 319–331 (2010). https://doi.org/10.1007/s10260-009-0129-9

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