Performance estimation when the distribution of inefficiency is unknown

Mike G. Tsionas

European Journal of Operational Research, 2023, vol. 304, issue 3, 1212-1222

Abstract: We show how to compute inefficiency or performance scores when the distribution of the one-sided error component in Stochastic Frontier Models (SFMs) is unknown; and we do the same with Data Envelopment Analysis (DEA). Our procedure, which is based on the Fast Fourier Transform (FFT), utilizes the empirical characteristic function of the residuals in SFMs or efficiency scores in DEA. The new techniques perform well in Monte Carlo experiments and deliver reasonable results in an empirical application to large U.S. banks. In both cases, deconvolution of DEA scores with the FFT brings the results much closer to the inefficiency estimates from SFM.

Keywords: Productivity and competitiveness; Stochastic frontier models; Data envelopment analysis; Fast Fourier transform; Empirical characteristic function (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:304:y:2023:i:3:p:1212-1222

DOI: 10.1016/j.ejor.2022.05.004

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