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Banking concentration and the price-concentration relationship: the case of Brazil

Benjamin Tabak (), Solange Guerra and Rodrigo Andrés Peñaloza ()

International Journal of Accounting and Finance, 2009, vol. 1, issue 4, 415-435

Abstract: In this paper, we present a new measure of concentration that employs duality theory and a study on the evolution of banking concentration in the Brazilian banking system. We present evidence suggesting that this new measure of concentration is more informative than the usual Hirschman-Herfindahl Index (HHI), which is commonly employed in concentration studies. Finally, we study the relation between the banking structure (level of concentration) and price using a panel data model, macroeconomic and risk variables being controlled. There is no evidence that banking concentration leads to uncompetitive practices.

Keywords: banking concentration; Hirschman-Herfindahl Index; HHI; duality theory; Brazil; banking structure; price; competition; banks. (search for similar items in EconPapers)
Date: 2009
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