I guess I should applaud Robert Barro for standing up for the independence of the Federal Reserve and hoping it can resist political pressure to lower interest rates too much. But there are two aspects of his case that strike me as silly to say the least starting with his opening sentence:
In the early 1980s, the chairman of the US Federal Reserve, Paul Volcker, was able to choke off runaway inflation because he was afforded the autonomy necessary to implement steep interest-rate hikes.
This statement glosses over the fact that we had a macroeconomic mess in 1982. This mess was in part to blame on an ill advised fiscal stimulus initiated the moment St. Reagan took office. But clearly the Federal Reserve overreacted. To be fair – Barro continues his magical history tour in a reasonable way until we get this absurdity:
one could infer the normal rate from the average federal funds rate over time. Between January 1986 and August 2008, it was 4.9%, and the average inflation rate was 2.5% (based on the deflator for personal consumption expenditure), meaning that the average real rate was 2.4%. The long-term normal real rate can be regarded as an emergent property of the real economy. From an investment and saving standpoint, economic equilibrium balances the benefit from a low safe real interest rate (which provides low-cost credit for investors) against the benefit from a high real rate (which implies higher returns for savers). In the Great Recession, the federal funds rate dropped precipitously, reaching essentially zero by the end of 2008. That was appropriate, owing to the depth of the crisis. But what few expected was that the federal funds rate would remain close to zero for so long, through the end of then-Fed Chair Ben Bernanke’s term in January 2014 and beyond.
While it is nice that one conservative economist has finally decided that the low interest rates policies during the Great Recession were appropriate and not the harbinger of hyperinflation, Barro seems to be saying the long-run real interest rate has been the same for the last 23 years. There has been a lot of research to suggest otherwise.