American Economic Review: Vol. 97 No. 1 (March 2007)
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Credit Traps and Credit Cycles
Matsuyama, Kiminori. 2007. "Credit Traps and Credit Cycles." American Economic Review, 97(1): 503-516.
We develop a simple macroeconomic model of credit market imperfections with heterogeneous investment projects. The projects differ in productivity, the investment requirement, and the severity of agency problems behind the borrowing constraints. A movement in borrower net worth shifts the composition of the credit between projects with different productivity levels, thereby causing endogenous investment-specific technological change. Furthermore, such endogenous technological change in turn affects borrower net worth. These composition effects could give rise to credit traps, credit collapse, leapfrogging, credit cycles, and growth miracles in the dynamics of the aggregate investment and borrower net worth. (JEL E22, E44, O33)
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