I have little doubt that his advisers are telling the president-elect just this. The points they are – or should be – pressing on him are these.

First, the Japanese policymakers who told everyone the US was in danger of falling into a prolonged period of economic weakness were right. To understand why this is true, you need to read a brilliant book by Richard Koo of the Nomura Research Institute*. In this, he explains how the combination of falling asset prices with high indebtedness forces the private sector to stop borrowing and pay down debt. The government then inevitably emerges as borrower and spender of last resort. Because the Japanese government knew this at least, the country suffered a prolonged recession rather than a slump.

It has long been argued that the US could not suffer like Japan. This is wrong. It is true the US has three advantages over Japan: the destruction of wealth in the collapse of the Japanese bubble was three times gross domestic product, while US losses will surely be far smaller; US non-financial companies do not appear grossly overindebted; and, despite efforts by opponents of marking assets to market, recognition of losses has come far sooner.