Central banks

The economics of natural capital

We develop a framework underscoring the importance of incorporating natural capital into growth models and policy discussions, recognizing its role as a productive input and as a sourceof enjoyment. Both firms and the government face the trade-off between exploitation and conservation and can (but do not have to) engage in costly conservation. Firms optimally conserve natural capital to support future production but underinvest compared to the social optimum. Public conservation complements private action, shifting focus from current consumption to future growth.

Financial integration and the transmission of monetary policy in the euro area

We study how financial integration shapes the transmission of monetary policy to consumer prices and output in the euro area. Using local projections, we document that the effect of financial integration is continuous: greater integration systematically strengthens the pass-through of monetary policy. When integration falls to low levels—around the first quartile of its historical distribution— transmission to both prices and output becomes statistically and economically insignificant. The amplification pattern is pervasive across member states and more pronounced in peripheral economies.

The climate-biodiversity-pollution nexus: the pricing of environmental credit risks for European

This study examines how euro area banks factor pollution-induced biodiversity risks into lending decisions, using data from 832 banks and 5,000 major polluters. Our results show that banks are increasingly pricing these risks by adjusting loan-to-value ratios and interest rates. Banks adjust lending conditions in line with EU pollution and biodiversity protection legislation, particularly for companies with large pollution footprints near biodiversity-protected areas or those contributing to Environmental Quality Standards failures of downstream surface waters.

Asset prices, wealth inequality, and welfare: safe assets as a solution

Can rising asset prices reduce wealth inequality? This paper builds a continuous-time heterogeneous-agent general equilibrium in which entrepreneurs hold risky private capital and traditional savers hold safe assets. Safe-asset expansions—via financial innovation, public debt, or a stable equity bubble—operate through a single pass-through: they lower entrepreneurs’ undiversified risk exposure, compress risk premia, and raise the interest rate.

Banks’ regulatory risk tolerance

We employ 68 quarters of data – including from non-public supervisory sources – to study how 17 US and 17 euro-area banks balance the risk of breaching regulatory requirements against the cost of maintaining and speedily restoring “management” buffers. We find that steady-state management buffer targets systematically declined and regulatory risk tolerance (RRT) rose following the Great Financial Crisis, especially at banks experiencing a stronger increase in capital requirements.

Estimating the natural rate of interest in a macro-finance yield curve model

Using a novel macro-finance model we infer jointly the equilibrium real interest rate r*, trend inflation, interest rate expectations, and bond risk premia for the United States. In the model r* plays a dual macro-finance role: as the benchmark real interest rate that closes the output gap and as the time-varying long-run real interest rate that determines the level of the yield curve. Our estimated r* declines over the last decade, with estimation uncertainty being relatively contained. We show that both macro and financial information is important to infer r*.

Insurance companies in the Euro area: asset allocation and impact on financial markets

Euro area insurers manage several trillion euro in assets and take a long-term investment perspective. They hold more alternative and less liquid assets than in the past, partly resulting from the long period of low interest rates until 2022. As a result, their balance sheets have become less liquid and more sensitive to market conditions overall. Meanwhile their holdings of sovereign bonds show significant home bias, which may have even increased with quantitative easing policies.

Global or regional safe assets: evidence from bond substitution patterns

This paper provides novel empirical evidence on portfolio rebalancing in international bond markets through the prism of investors’ demand for bonds. Using a granular dataset of global government and corporate bond holdings by mutual funds domiciled in the world’s two largest currency areas, I estimate heterogeneous and time varying demand elasticities for bonds. Safe assets such as US Treasuries or German Bunds face especially inelastic demand from investment funds compared to riskier bonds. But spillovers from these safe assets to global bond markets are strikingly different.

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