This paper investigates economies of scale (ES) in financial intermediation as a source of equilibrium indeterminacy. Consumption in the model can be purchased with currency and deposits, and ES in intermediation implies that deposit costs are decreasing in aggregate deposits. The results suggest that indeterminacy does not depend on a large degree of ES nor a large intermediation sector, but on monetary policy and the determination of nominal interest rates. Monetary policies not targeting nominal rates allow for indeterminacy to arise for any degree of ES, while policies targeting nominal rates eliminates indeterminacy for all degrees of ES.
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number
8370.
Find related papers by JEL classification: E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy C62 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Existence and Stability Conditions of Equilibrium
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