Economic Growth

Why another debt crisis might be looming

A pedestrian holding an umbrella looks at an electronic board the stock market indices of various countries outside a brokerage in Tokyo, Japan, July 6, 2015. The euro and stock prices fell sharply in Asia on Monday after the Greeks had overwhelmingly rejected austerity measures demanded in return for bailout money, putting in doubt its continued place in the single currency. U.S. equity futures dropped around 1.4 percent while Japan's Nikkei shares fell 1.4 percent and MSCI's broadest index of Asia-Pacific shares outside Japan dropped 0.5 percent. REUTERS/Yuya Shino - GF10000149956

If policymakers waste time on trickle-down sophistry, the world may be headed for severe economic distress. Image: REUTERS/Yuya Shino

Kemal Derviş
Vice President, Brookings Institution
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Washington, DC – Economic growth is accelerating across most of the world. Yet the world’s total gross debt-to-GDP ratio has reached nearly 250%, up from 210% before the global economic crisis nearly a decade ago, despite post-crisis efforts by regulators in many important economies to drive the banking sector to deleverage. This has raised doubts about the sustainability of the recovery, with some arguing that a rise in interest rates could trigger another global crisis. But how likely is that to happen?

The world’s leading thinkers and policymakers examine what’s come apart in the past year, and anticipate what will define the year ahead.

To answer this question, one must recall that debt is both a liability and an asset. In a closed economy – and we don’t owe anything to non-Earthlings – overall debt and the corresponding assets necessarily cancel each other out. So what really matters is the composition of debts and liabilities – or, to put it simply, who owes what to whom.

High public-sector debt, for example, signals the possible need for tax increases – the opposite of the tax legislation being advanced by Republican legislators in the United States – and/or higher interest rates (real or nominal, depending on monetary policy and inflation). If debt is owed largely to foreign lenders, interest-rate risk is compounded by exchange-rate risk.

For private-sector debt, much depends on its type: the hedging sort, where a debtor’s cash flow covers all obligations; the speculative type, where cash flow covers interest only; or the Ponzi kind, where cash flow does not even cover that. As the late American economist Hyman Minsky explained, the higher the share of debt that falls into the speculative or Ponzi categories, the higher the risk that a confidence shock will trigger a sudden wave of deleveraging that quickly morphs into a full-blown financial crisis.

Image: IMF

For both public- and private-sector debt, maturities also play an important role. Longer maturities leave more time for adjustment, lowering the risk of a confidence shock.

Yet while it makes little sense to focus on simple aggregate figures, both public institutions and private researchers tend to do precisely that. Consider the coverage of the Greek debt crisis. Headlines tracked the debt-to-GDP ratio’s climb from 100% in 2007 to 180% this year, yet little attention was paid to private-sector debt. And, in fact, as foreign public creditors replaced private debt holders and interest rates were lowered, Greece’s overall debt, while still high, became more sustainable. Its continued sustainability will depend partly on the trajectory of Greece’s GDP – the denominator in the debt ratio.

A similar mistake is made in assessing China’s debts, about which the world is most concerned. The figures are certainly daunting: China’s debt-to-GDP ratio now stands at about 250%, with private-sector debt amounting to about 210% of GDP. But about two-thirds of the private-sector debt that is defined as bank loans and corporate bonds is actually held by state-owned enterprises and local-government entities. The central government has considerable control over both.

For China, the biggest risk probably lies in the shadow banking sector, on which reliable data are not available. On the other hand, a significant share of the growth in private debt ratios in recent years may be a result of the “formalization” of parts of the shadow banking system – a trend that would bode well for economic stability.

And there is more good news for China. Most Chinese debt is held in renminbi; the country possesses massive foreign-exchange reserves of close to $3 trillion; and capital controls are still effective, despite having been eased in recent years. The country’s leaders thus have a public-policy war chest that they can use to cushion against financial turmoil.

Among the rest of the emerging economies, there are some sources of concern. But, overall, the situation is relatively stable. Though private-sector debt has lately been rising, its levels remain tolerable. And public-sector debt has been growing only moderately, relative to GDP.

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As for the advanced economies, there is little reason to believe that a debt crisis is around the corner in Japan. In the US, public debt is set to increase, thanks to the impending tax overhaul; but the blow will be cushioned, at least for the next year or two, by continued growth acceleration. And though low-quality assets held by the banking system are likely to impede Europe’s recovery, they are unlikely to spark a financial crisis.

In short, the world does not seem to face much risk of a debt crisis in the short term. On the contrary, the stage seems to be set for continued increases in asset valuations and demand-driven growth.

That said, geopolitical risks should not be discounted. While markets tend to shrug off localized political crises and even larger geopolitical challenges, some dramas may be set to spin out of control. In particular, the North Korean nuclear threat remains acute, with the possibility of a sudden escalation raising the risk of conflict between the US and China.

The Middle East remains another source of serious instability, with tensions in the Gulf having intensified to the point that hostilities between Iran and Saudi Arabia and/or turmoil within Saudi Arabia are not unthinkable. In this case, it is Russia that might end up clashing with the US.

Even barring such a major geopolitical upheaval, which would severely damage the global economy’s prospects in the short run, serious medium- and long-term risks loom. Rising income inequality, exacerbated by the mismatch between skills and jobs in the digital age, will impede growth, unless a wide array of difficult structural reforms are implemented, including reforms aimed at constraining climate change.

As long as the geopolitical situation remains manageable, policymakers should have time to implement the needed structural reforms. But the window of opportunity will not stay open forever. If policymakers waste time on trickle-down sophistry, as is happening in the US, the world may be headed for severe economic distress.

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