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Make investments lengthy, borrow quick and leverage up as a lot as attainable. That’s the solution to generate profits in finance. It’s how banks have all the time made their residing. However we additionally know very nicely that this story can finish in panic-stricken runs for the exit and monetary crises. That’s what occurred within the nice monetary disaster (GFC) of 2007-09. Since then, because the Financial institution for Worldwide Settlements explains in its latest Annual Economic Report, the monetary system has modified an ideal deal. However this central attribute has not.
Furthermore, notes Hyun Song Shin, financial adviser to the BIS, “regardless of the fragmentation of the true financial system, the financial and monetary system is now extra tightly linked than ever”. If this appears like an accident ready to occur, you’re fairly proper. Central banks should be ready to trip to the rescue.
The story the BIS tells is an intriguing one. Thus, the aftermath of the GFC didn’t make the system basically totally different. It simply modified who was concerned. Within the run-up to the disaster, the dominant type of lending was to the non-public sector, notably within the type of mortgages. Afterwards, lending to the non-public sector levelled off, whereas credit score to governments exploded. The pandemic accelerated that tendency.
That was not stunning: if individuals wish to save and lend, another person has to borrow and spend. That’s macroeconomics 101. Along with the change in course got here a change in intermediaries: instead of the massive banks have come world portfolio managers. (See charts.)
Because of this, cross-border bond holdings have elevated enormously. What issues listed below are modifications in gross, not internet, holdings. The latter are related to long-term sustainability of macroeconomic patterns of saving and spending. The previous are extra related to monetary stability, as a result of they drive (and are pushed by) modifications in monetary leverage, notably cross-border leverage. Furthermore, notes Shin, “the biggest will increase in portfolio holdings have been between superior economies, particularly between the US and Europe”. The rising economies are comparatively much less concerned on this lending.

How then does this new cross-border monetary system work? It has two basic traits: the main roles of international foreign money swaps and non-bank monetary intermediaries.
The most important a part of this cross-border lending consists of the acquisition of greenback bonds, notably US Treasuries. The international establishments shopping for these bonds, equivalent to pension funds, insurance coverage corporations and hedge funds, find yourself with a greenback asset and a home foreign money legal responsibility. Foreign money hedging is important. The banking sector performs a key position, by enabling the marketplace for international change swaps, which give these hedges. Furthermore, a foreign exchange swap is a “collateralised borrowing operation”. But these don’t seem on steadiness sheets.

In keeping with the BIS, excellent foreign exchange swaps (together with forwards and foreign money swaps) reached $111tn on the finish of 2024, with foreign exchange swaps and forwards accounting for some two-thirds of that quantity. That is vastly greater than cross-border financial institution claims ($40tn) and worldwide bonds ($29tn). Furthermore, the market’s largest and fastest-growing half consists of contracts with non-dealer establishments. Lastly, some 90 per cent of foreign exchange swaps have the greenback on one aspect of the transaction and over three-quarters have a maturity of lower than one 12 months.

Because the BIS notes, this extremely non-transparent set of cross-border funding preparations additionally impacts the transmission of financial coverage. One of many propositions it makes is that the higher position of non-bank monetary intermediaries, notably hedge funds “might have contributed to extra correlated monetary circumstances throughout international locations”. A few of that is fairly delicate. Given the large-scale international possession of US bonds, for instance, circumstances within the homeowners’ residence markets may be transmitted to the US. Once more, change charge actions that have an effect on the greenback worth of holdings of rising market money owed can set off changes of their home costs.

What are the dangers on this new system of finance? As has been famous, banks are lively available in the market for foreign exchange swaps. In addition they present a lot of the repo financing for hedge funds speculating actively within the bond market. Furthermore, based on the BIS, over 70 per cent of the bilateral repo financing from banks is at zero haircut. Because of this, lenders have little or no management over the leverage of the hedge funds lively in these markets. Not least, non-US banks are lively in offering greenback funding for corporations engaged in these markets.
What does all this suggest? Properly, we now have tightly built-in monetary techniques, particularly amongst high-income international locations, even because the international locations are transferring aside, politically and when it comes to their commerce relations. Furthermore, a lot of the funding is in {dollars} on comparatively quick maturities. It’s simple to think about circumstances through which funding dries up, maybe in response to giant actions in bond yields or another shock. As occurred within the GFC and the pandemic, the Federal Reserve must step in as lender of final resort, each immediately and through swap traces to different central banks, notably these in Europe. We assume that the Fed would certainly come to the rescue. However can that be taken with no consideration, particularly after Jay Powell is changed subsequent 12 months?

The system the BIS elucidates has a lot of the fragility of conventional banking, however even much less transparency. Now we have an enormous variety of unregulated companies taking extremely leveraged positions, funded on a short-term foundation, to spend money on long-term belongings whose market values might range considerably even when their capital values are finally protected. This method calls for an lively lender of final resort and a willingness to maintain deep worldwide co-operation in a disaster. It ought to work. However will it?