Wir sind die Roboter: can we predict financial crises?

Kristina Bluwstein, Marcus Buckmann, Andreas Joseph, Miao Kang, Sujit Kapadia and Özgür Şimşek

Financial crises are recurrent events in economic history. But they are as rare as a Kraftwerk album, making their prediction challenging. In a recent study, we apply robots — in the form of machine learning — to a long-run dataset spanning 140 years, 17 countries and almost 50 crises, successfully predicting almost all crises up to two years ahead. We identify the key economic drivers of our models using Shapley values. The most important predictors are credit growth and the yield curve slope, both domestically and globally. A flat or inverted yield curve is of most concern when interest rates are low and credit growth is high. In such zones of heightened crisis vulnerability, it may be valuable to deploy macroprudential policies.

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Does liquidity spill over in the credit market? The case of CDS and corporate bonds

Robert Czech

Credit default swaps (CDS) have a notoriously bad reputation. Critics refer to CDS as a “global joke” that should be “outlawed”, not at least due to the opaque market structure. Even the Vatican labelled CDS trading as “extremely immoral”. But could there be a brighter side to these swaps? In theory, CDS contracts can reduce risks in financial markets by providing valuable insurance. In a recent paper, I show that CDS also offer another, more subtle benefit: an increase in the liquidity of the underlying bonds.

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Bitesize: Premium Delirium II

Nicholas Vause

In a recent post, my co-author and I showed some charts suggesting that investors have been accepting less compensation for bearing credit risk. This type of risk can be very costly when it materialises, but the probability of that happening is typically very low. A similar risk is inherent in deeply out-of-the-money options. Here too, investors seem to be accepting less compensation for risk.

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‘Running for the exit’: How cross-border bank lending fell

Neeltje van Horen

Cross-border bank lending fell dramatically in the aftermath of Lehman Brothers’ failure as funding constraints forced banks to reduce their foreign exposures. While this decline was partly driven by lower demand for international bank credit, it was substantially aggravated by a retrenchment of international banks from cross-border lending. But banks did not cut their cross-border lending in a uniform manner. Instead, they reallocated their foreign portfolios towards countries that were geographically close, in which they had more experience, in which they had close connections with domestic banks or in which they operated a subsidiary. The crisis thus showed that deeper financial integration is associated with more stable cross-border credit when large global banks are hit by a funding shock.

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Proprietary trading: evidence from the crisis

Francesc R. Tous, Puriya Abbassi, Rajkamal Iyer, José-Luis Peydró.

What are the consequences of proprietary trading? Banks typically hold and trade a significant amount of securities, and during the financial crisis, many of these securities suffered strong price declines. How did banks react? This is precisely what we investigate for the case of Germany in a recently published paper. We find that some banks increased their investments in securities, especially for those securities that suffered price drops. This strategy delivered high returns; but at the same time, these banks pulled back on lending to the real economy, since during the financial crisis they could not easily raise new (long-term) funding. Our findings suggest that proprietary trading during a crisis can lead to less lending to the real sector.

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Falling off a cliff: what happened to UK corporate debt? A transatlantic comparison.

Christian Schnittker.

Following the financial crisis, net corporate financing has exhibited a similar overall pattern in the UK and the US.  But the composition of that financing has been very different – with the net debt stock of UK non-financial corporates falling by more than 20% of nominal GDP. By contrast, in the US the fall was only 10%, and around half of this has since been regained.  Why did the two countries’ experiences diverge so much after the crisis? In this post, I argue that the root cause of this divergence was a fall in UK corporates’ demand for debt, rather than a hit to credit supply.  Business cycles, and credit conditions appear to be similar in both countries, but in the UK there has been lower demand for corporate gearing from firms, a weaker recovery in M&A activity, and fewer share buybacks than in the US.

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