Borrower-based macroprudential measures and credit growth: How biased is the existing literature?



Year of publication 2024
Type Article in Periodical
Magazine / Source Journal of Economic Surveys
MU Faculty or unit

Faculty of Economics and Administration

Keywords Bayesian model averaging; borrower-based measures; macroprudential policy; meta-analysis; publication bias
Description This paper analyzes over 700 estimates from 34 studies on the impact of borrower-based measures (such as loan-to-value, debt-to-income, and debt-service-to-income ratios) on bank loan provision. Our dataset reveals notable fragmentation in the literature concerning variable transformations, methods, and estimated coefficients. We run a meta-analysis on a subsample of 422 semi-elasticities from 23 studies employing a consistent estimation framework to draw an economic interpretation. We confirm strong publication bias, particularly against positive and statistically insignificant estimates. After correcting for this bias, the effect indicates a credit growth reduction of -0.6 to -1.1 percentage points following the occurrence of borrower-based measures, significantly lower than the unadjusted simple mean effect of the collected estimates. Additionally, our study examines the contexts of these estimates, finding that beyond publication bias, model specification and estimation method are vital in explaining the variation in reported coefficients.

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