Friday, May 10, 2019

Interest rate caps are widespread in credit markets; in Chile a 20pct lowering reduced the number of loans by 19%; consumer surplus decreased by 3.5% of average income (larger losses for risky borrowers)

Price Regulation in Credit Markets: A Trade-off between Consumer Protection and Credit Access. Jose I. Cuesta, Alberto Sepulveda.

Abstract: Interest rate caps are widespread in consumer credit markets, yet there is limited evidence on its effects on market outcomes and welfare. Conceptually, the effects of interest rate caps are ambiguous and depend on a trade-off between consumer protection from banks’ market power and reductions in credit access. We exploit a policy in Chile that lowered interest rate caps by 20 percentage points to understand its impacts. Using comprehensive individual-level administrative data, we document that the policy decreased transacted interest rates by 9%, but also reduced the number of loans by 19%. To estimate the welfare effects of this policy, we develop and estimate a model of loan applications, pricing, and repayment of loans. Consumer surplus decreases by an equivalent of 3.5% of average income, with larger losses for risky borrowers. Survey evidence suggests these welfare effects may be driven by decreased consumption smoothing and increased financial distress. Interest rate caps provide greater consumer protection in more concentrated markets, but welfare effects are negative even under a monopoly. Risk-based regulation reduces the adverse effects of interest rate caps, but does not eliminate them.

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