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A wartime economy would be different this time

The world is entering another phase of increased defence spending.

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Defence spending will probably continue to act as an important subsidy for innovations that have broader benefits

Defence spending will probably continue to act as an important subsidy for innovations that have broader benefits, says the writer.

PHOTO: REUTERS

Allison Schrager

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I recently heard a terrifying prediction: Advances in defence technology will change the way war is waged today as much as industrialisation did in World War I. If true – and I don’t know one way or another, my area of expertise is economics – then we could be facing casualties on an unimaginable scale, just as the mechanisation of weaponry produced in the early 20th century.

As I said, however, I am an economist, and this prediction got me to thinking: What will this transformation mean for the US and global economy? In the past, increases in military spending have acted as a kind of stimulus. But there are reasons to doubt that will happen this time, at least in the same way.

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