In Search of a Risk-Free Asset: Search Costs and Sticky Deposit Rates
39 Pages Posted: 23 Apr 2012 Last revised: 5 Nov 2017
Date Written: November 2, 2017
To attract time deposits, more than 6,000 banks post their offer rates. I document large and persistent cross-sectional dispersion, on average negative spreads over Treasuries, and asymmetric rigid adjustments in these rates. Estimates of an oligopoly model reveal a large fraction of high search cost investors, and a small declining fraction of low search cost investors. Despite estimates of high intertemporal elasticity of substitution and recent technological innovations, the non-declining fraction of high search cost depositors, likely elderly households, grants banks significant monopoly power and allows for the sluggish pass-through of increases in the federal funds rate into deposit rates.
Keywords: Consumer search, Price rigidity, Deposit rates, Interest rate pass-through
JEL Classification: D83, D91, G12, G21
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