Central banks

Impacts of ESG banking regulation on financing new sustainable technologies

08/07/2025 European Central Bank Central banks

How does environmental, social and governance regulation of banks affect capital provision to the sustainability transition? As ambitious sustainability targets face funding challenges, the financial sector is tasked with channeling more private capital into sustainable investments. However, scaling sustainable technologies often requires investment in non-ESG-compliant assets. The mobility transition to electric vehicles, for example, demands increased supply of battery raw materials like Lithium, Cobalt, Manganese, and Nickel.

Bank lending implications of climate stress tests

08/06/2025 European Central Bank Central banks

Do climate stress tests affect bank credit supply to brown firms? Using a difference-in-differences approach and detailed data on individual bank loans in the euro area, this paper provides novel evidence on the effects of the ECB’s 2022 climate risk stress test. Despite no capital implications or public disclosures, participating banks significantly reduced credit to greenhouse gas-intensive industries relative to nonparticipants. Among affected firms, smaller borrowers were more negatively impacted.

The impact of climate litigation risk on firms’ cost of bank loans

08/05/2025 European Central Bank Central banks

Using a novel worldwide dataset of 5,264 syndicated loans issued to 329 firms from 2006 to 2021, we study how climate-related litigation risk affects firm’s cost of borrowing. We find robust empirical evidence that firms targeted by climate lawsuits pay significantly higher spreads on their bank loans. These effects are more pronounced for firms with weaker environmental performance and higher ESG controversies. The results suggest that lender’s view climate litigation as a material risk factor, which is increasingly priced into debt contracts.

Hand-to-mouth banks: deposit inflows and the marginal propensity to lend

08/04/2025 European Central Bank Central banks

In modern macroeconomics, the marginal propensity to consume out of transitory income shocks is a central object of interest. This paper empirically explores a parallel concept in banking: the marginal propensity to lend out of unsolicited deposit inflows (MPLD). Using county-level dividend payouts as an instrument for deposit inflows, I estimate the MPLD for U.S. banks and show that before QE, the average bank operated “hand-to-mouth” — it transformed approximately every dollar of deposit inflow into new loans, consistent with tight liquidity constraints.

From words to deeds – incorporating climate risks into sovereign credit ratings

07/29/2025 European Central Bank Central banks

We investigate the impact of climate risks on sovereign credit ratings worldwide. Our analysis shows that higher temperature anomalies and more frequent natural disasters – measures of physical risk – correlate with lower credit ratings. We find that long-term shifts in climate patterns (“chronic risk”) primarily affect advanced economies, while the increased frequency and severity of extreme weather events (“acute risk”) matters more for emerging economies. However, the estimated impact of both types of risk on credit ratings is low and the economic effects are negligible.

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