Collateral Constraints and the Interest Rate

Donal Smith

Discussion Papers from Department of Economics, University of York

Abstract: This paper establishes a transmission mechanism between credit constraints and persistently low real interest rates. In doing so, it establishes a link between two strands of macroeconomic literature that have become prominent since the nancial crisis; nancial frictions literature and zero lower bound literature. In order to analyse the credit constraints and interest rate interaction, the paper presets a perpetual youth overlapping generations model, which is extended to incorporate an endogenous nancial friction in the form of a collateral constraint. Analytical expressions and elementary diagrams are presented to illustrate the results of the model. It is found that a tightening of the nancial friction reduces the steady state rate of interest, and that non-lineaities exist in this relationship. This result occurs endogenously in the model subsequent to a change in the constraint. The model also supports hypotheses from the secular stagnation literature by way of illustrating that population ageing and higher debt levels canleave an economy more likely to encounter episodes of persistent low interest rates.

Keywords: Financial Frictions; Overlapping Generations; Interest Rate (search for similar items in EconPapers)
JEL-codes: D91 E21 E43 (search for similar items in EconPapers)
Date: 2015-10
New Economics Papers: this item is included in nep-dge, nep-mac and nep-mon
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Persistent link: https://EconPapers.repec.org/RePEc:yor:yorken:15/22

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