Veranstaltung
04
JUN 2018

14:15 - 15:45
IWH Research Seminar

Interest Rates, Market Power, and Financial Stability

This paper analyzes the effects of policy rates on financial intermediaries' risk-taking decisions. We consider an economy where (i) intermediaries have market power in granting loans, (ii) intermediaries monitor borrowers which lowers their probability of default, and (iii) monitoring is not observable which creates a moral hazard problem.

Wer
David Martinez-Miera  (University of Madrid)
Wo
IWH conference room
David Martinez-Miera

Zur Person

David Martinez-Miera is a Ramon y Cajal Associate Professor of Finance at the Business Department of Universidad Carlos III de Madrid. His research interests are banking, macro-finance, corporate finance and Microfinance.

This paper analyzes the effects of policy rates on financial intermediaries' risk-taking decisions. We consider an economy where (i) intermediaries have market power in granting loans, (ii) intermediaries monitor borrowers which lowers their probability of default, and (iii) monitoring is not observable which creates a moral hazard problem. We show that lower policy rates lead to lower intermediation margins and higher risk-taking when intermediaries have low market power, but the result reverses for high market power. We also show that when intermediaries have high market power competition from (non-monitoring) financial markets results in a U-shaped relationship between policy rates and risk-taking. The paper examines the robustness of these results to introducing heterogeneity in monitoring costs, entry and exit of intermediaries, and funding with deposits and capital.

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