This paper offers novel evidence on the impact of raising bank capital requirements on lending in an emerging market and explores heterogeneous effects, depending on bank characteristics and economic conditions. Using quarterly bank-level data and exploiting the adoption of bank-specific capital buffers, we find that higher capital requirements are associated with lower credit growth in Peru. But the effect is short-lived and becomes insignificant in about half a year. The impact of capital requirements varies with economic conditions and bank characteristics. The effects is stronger during periods of lower economic growth. Weaker (less profitable, less capitalized and less liquid) banks react more to changes in capital requirements. Our findings are robust to estimating a variety of specification to address concerns about the endogeneity of capital requirements.

We show that negative interest rate policy (NIRP) has expansionary effects on credit supply through a portfolio rebalancing channel. By shifting down and flattening the yield curve, NIRP differs from rate cuts just above the zero-lower-bound and has effects similar to QE. For identification, we exploit ECB’s NIRP and the Italian credit register and, for external validity, European and U.S. datasets. NIRP affects more banks with higher ex-ante liquid assets, including net interbank positions. More exposed banks reduce liquid assets, expand credit supply, especially to financially-constrained firms, and cut loan rates, inducing firms to increase investment and the wage bill.