Scale and efficiency measurement using a semiparametric stochastic frontier model : evidence from the U.S. commercial banks

Kumbhakar, Subal C. and Tsionas, Michael (2008) Scale and efficiency measurement using a semiparametric stochastic frontier model : evidence from the U.S. commercial banks. Empirical Economics, 34 (3). pp. 585-602. ISSN 0377-7332

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Abstract

In this paper, we use the local maximum likelihood (LML) method proposed by Kumbhakar et al. (J Econom, 2007) to estimate stochastic cost frontier models for a sample of 3,691 U.S. commercial banks. This method relaxes several deficiencies in the econometric estimation of frontier functions. In particular, we relax the assumption that all banks share the same production technology and provide bank-specific measures of returns to scale and cost inefficiency. The LML method is applied to estimate the cost frontiers in which a truncated normal distribution is used to model technical inefficiency. This formulation allows the cost frontier, inefficiency effects and heteroskedasticity in both noise and inefficiency components to be quite flexible.

Item Type:
Journal Article
Journal or Publication Title:
Empirical Economics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2000/2002
Subjects:
?? data envelopment analysis cost efficiency local maximum likelihood estimation u.s. commercial bankeconomics and econometricssocial sciences (miscellaneous)mathematics (miscellaneous)statistics and probability ??
ID Code:
65253
Deposited By:
Deposited On:
18 Jun 2013 08:05
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 14:02