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Theoretical and Applied Economics
No. 6 / 2013 (583)

Productivity change patterns in the Romanian banking system – the impact of size and ownership on total factor productivity

University “Petru Maior”, Târgu Mureș
The Bucharest University of Economic Studies
Leonardo BADEA
University “Valahia”, Târgoviște

Abstract. In this paper we analyze Romanian banking performance for the period 2006-2011 by computing a Malmquist index based on Data Envelopment Analysis. By adopting the intermediation approach in defining categories of inputs and outputs our conclusions focus on how ownership structure and size influence multi factor productivity change. Also this study aims at identifying the relatively best performing bank categories by focusing on the sources of total factor productivity (TFP) growth. The results point out the difficulty in describing a consistent pattern of efficiency changes in time for the period considered. Overall the trend of productivity growth is a descending one. Alternatively, large and small banks manage to obtain the best scores whereas most time second ranked are medium sized banks. As the efficiency scores suggest, scale efficiency and management efficiency are responsible for most of the productivity growth. In terms of the selected variables this means good financial management of liquidity (reflected by the input output ratio of loans and deposits), a well-considered ratio of interest incomes and expenses, comfortable personnel expenses corroborated with an adequate size of operations. Regarding the influence of ownership origin, the study presents evidence that foreign-owned banks outperform domestic owned banks.

Keywords: bank performance; Malmquist index; DEA; Romanian banking system.

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