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How a regulatory capital requirement affects banks’ productivity: an application to emerging economies

Meryem Duygun (), Mohamed Shaban (), Robin Sickles and Thomas Weyman-Jones ()

Journal of Productivity Analysis, 2015, vol. 44, issue 3, 237-248

Abstract: This paper presents a novel approach to measure efficiency and productivity decomposition in the banking systems of emerging economies with a special focus on the role of equity capital. We model the requirement to hold levels of a fixed input, i.e. equity, above the long run equilibrium level or, alternatively, to achieve a target equity-asset ratio. To capture the effect of this under-leveraging, we allow the banking system to operate in an uneconomic region of the technology. Productivity decomposition is developed to include exogenous factors such as policy constraints. We use a panel data set of banks in emerging economies during the financial upheaval period of 2005–2008 to analyse these ideas. Results indicate the importance of the capital constraint in the decomposition of productivity. Copyright Springer Science+Business Media New York 2015

Keywords: Banking; Efficiency and productivity analysis; Shadow price; Cost function; Regulated capital; Bank capitalization; C23; D24; G21 (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11123-015-0451-1

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