Accounting for heterogeneous technologies in the banking industry: a time-varying stochastic frontier model with threshold effects

Pavlos Almanidis

Journal of Productivity Analysis, 2013, vol. 39, issue 2, 205 pages

Abstract: This paper investigates the existence of heterogeneous technologies in the US commercial banking industry through the nondynamic panel threshold effects estimation technique proposed by Hansen (Econometrica 64:413–430, 1999 , Econometrica 68:575–603, 2000a ). We employ the total assets as a threshold variable, which is typically considered as a proxy for bank’s size in the banking literature. We modify the threshold effects model to allow for time-varying effects, wherein these are modeled by a time polynomial of degree two as in Cornwell et al. (J Econom 46:185–200, 1990 ) model. Threshold effects estimation allows us to sort banks into discrete groups based on their size in a structural and consistent manner. We determine seven such distinct technology-groups within which banks are allowed to share the same technology parameters. We provide estimates of individual and group efficiency scores, as well as of those of returns to scale and measures of technological change for each group. The presence of the threshold(s) is tested via bootstrap procedure outlined in Hansen (Econometrica 64:413–430, 1999 ) and the relationship between bank size and efficiency ratios is investigated. Copyright Springer Science+Business Media, LLC 2013

Keywords: Stochastic frontier; Threshold effects; Panel data; Banks; C13; C23; D24; G21 (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (14)

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DOI: 10.1007/s11123-012-0306-y

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