Abstract
In this study, we find savings deposits have contributed significantly to the effectiveness of regulation induced consolidation within the banking sector in so far as improvements in banking system structure, output, profitability, and competitiveness are concerned. Specifically, we find savings deposits are key parameters in the transition from a banking structure within which profitability is primarily determined by liquidity during the pre-consolidation period (2007-2008) to a banking structure within which profitability is primarily a function of loan portfolio growth (output) during the post-consolidation period (2010-2012). In spite of the increase in importance of savings deposits for banking system competition, output, or profitability during the post-consolidation period, savings deposit rates have decreased by about 50% between the pre- and post-consolidation periods. Interest rates on savings deposits also do not lie on the efficiency frontier for loan production. Combined, our findings indicate the benefits of consolidation that accrue from savings deposits have yet to translate into social welfare benefits for banks' retail customers.
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