What’s Wrong With Negative Rates?
NEW YORK – I wrote at the beginning of January that economic conditions this year were set to be as weak as in 2015, which was the worst year since the global financial crisis erupted in 2008. And, as has happened repeatedly over the last decade, a few months into the year, others’ more optimistic forecasts are being revised downward.
The underlying problem – which has plagued the global economy since the crisis, but has worsened slightly – is lack of global aggregate demand. Now, in response, the European Central Bank (ECB) has stepped up its stimulus, joining the Bank of Japan and a couple of other central banks in showing that the “zero lower bound” – the inability of interest rates to become negative – is a boundary only in the imagination of conventional economists.
And yet, in none of the economies attempting the unorthodox experiment of negative interest rates has there been a return to growth and full employment. In some cases, the outcome has been unexpected: Some lending rates have actually increased.
It should have been apparent that most central banks’ pre-crisis models – both the formal models and the mental models that guide policymakers’ thinking – were badly wrong. None predicted the crisis; and in very few of these economies has a semblance of full employment been restored. The ECB famously raised interest rates twice in 2011, just as the euro crisis was worsening and unemployment was increasing to double-digit levels, bringing deflation ever closer.
They continued to use the old discredited models, perhaps slightly modified. In these models, the interest rate is the key policy tool, to be dialed up and down to ensure good economic performance. If a positive interest rate doesn’t suffice, then a negative interest rate should do the trick.
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