It really is time we had economists who could join the dots

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The FT headlines an interview between Martin Wolf and Larry Summers, the former Democrat Treasury Secretary, this morning with the headline:

I have to say that I find Larry Summers incredibly uninteresting: why a man who has got so much wrong still attracts attention slightly baffles me, but he goes on, and on.

And he gets this one wrong too. Unlike the world's major international financial organisations (the IMF, OECD, etc) Summers wants the US to head low, when the need to spend appears paramount. In my opinion, Summers is the one who has got this wrong. There are three reasons.

First, stimulus packages can be turned off. But if they are never turned on they have no hope of working. He'd prefer to never turn them on than turn them off.

Second, he assumes that the private sector will do the heavy lifting if the state does not. I think he's wrong. It has no reason to spend, and nor will be the wealthy be doing so once a quick summer splurge has been done, for reasons I have explained many times before. He disagrees, and thinks that they will spend.

And third, the US (and many other countries) does not need a private sector stimulus. It needs massive public investment much more. Its infrastructure is worn out, inefficient and not green. It has to be renewed, sustainably. That is of higher priority, by far, than more consumer spending (except by those on low incomes, who must be helped more). So he gets his basic economics wrong, or at least confused (as the interview implies to m), and ignores the fact that if there is risk of overheating as a result of this necessary public spend there is a mechanism to also cool the economy. It's called tax. He talks about it in the interview but never seems to make this connection.

It really is time we had economists who could join the dots. Summers isn't, in my opinion.


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