Controlling the weather

There are many reasons to vaguely disapprove of Twitter. But there are more to love it. Here's one little exchange that shows why. Earlier this week The Herald tweeted one of its headlines: "Give Scotland powers to boost economy, says business chief."

An immediate response came from the account of @countprosper (which belongs to an ex-partner in a Scottish fund-management firm): "Give Scotland power to change the weather, says tourist chief."

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Countprosper has been around long enough to know this isn't true we might as well claim to be able to stop the rain in Glasgow as to know exactly how to boost its economy. If it was that simple to make everyone rich, it would surely have been done already.

Bill Bonner feels the same. "Modern policymakers are either fools or knaves. Their programmes are senseless and useless. Their theories airy claptrap".

It's a point picked up by Ed Conway in The Times. He notes that the UK economy has done better than expected. GDP is growing at over 3% a year; we're manufacturing more than ever; unemployment has fallen fast; and private indebtedness is down from a stunning 210% of GDP to a merely shocking 166%. Why? We can't be sure.

Is it quantitative easing? Deficit reduction (which matters)? Low wages plus low taxes on the low paid? Changes to benefits? A lag effect of the slide in the pound? A result of our open-door policy to new immigrants and tolerance of globalisation? Or just mean reversion an inevitable bounce after a nasty recession?

And what if the recovery continues? Further strength might be down to factors mentioned already or (more likely perhaps) due to the falling oil price, which could give households more spending power than all the monetary policy of the last five years put together.

We know a few things about economies the key thing being that they work best when left alone. But we don't know enough to precisely control them. Everyone wants to take credit for the UK's recovery. But a more honest approach, as Conway says, would be to meet each new number with, "Wow. Well how about that?"

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