Banking Crisis and Borrower Productivity

Author Name KOBAYASHI Keiichiro  (Senior Fellow, RIETI) /YANAGAWA Noriyuki  (the University of Tokyo)
Creation Date/NO. February 2008 08-E-003
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In this paper, we propose a theoretical model in which a banking crisis (or bank distress) causes declines in aggregate productivity. When borrowing firms need additional bank loans to continue their businesses, a high probability of bank failure discourages ex ante investments (e.g., R&D investment) by firms that enhance their productivity. In a general equilibrium setting, we also show that there may be multiple equilibria: one in which bank distress continues and borrower productivity is low, and in the other, banks are healthy and borrower productivity is high. We show that the bank capital requirement may be effective in eliminating the bad equilibrium and may lead the economy to the good equilibrium in which the productivity of borrowing firms and the aggregate output are both high and the probability of bank failure is low.