How to avoid a W-shaped global coronavirus recession

As previous crises have shown, prematurely halting economic stimulus would be very unwise

Those who cannot remember the past are condemned to repeat it," George Santayana famously quipped in 1905. It is a phrase that has been repeated for over a century, but rarely heeded. As Covid-19 decimates the global economy, our understanding of history could be the difference between a V- or U-shaped recession and a W-shaped one, in which incipient recovery is followed by successive relapses.

As recently as March, V-shaped recoveries in individual economies seemed plausible. Once infections and deaths had peaked and begun to decline, the logic went, people would eagerly return to work. Economic activity might even get an extra boost, as consumers released pent-up demand.

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