What Would Be Convincing Evidence That 2%/Year Is too Low for the Inflation Target?: Hoisted from the Archives/Wednesday Focus

God! We were (and are) so smart!

J. Bradford DeLong and Lawrence H. Summers (1992): Macroeconomic Policy and Long-Run Growth:

On almost any theory of why inflation is costly, reducing inflation from 10%/year to 5%/year is likely to be much more beneficial than reducing it from 5%/year to 0%/year. So austerity encounters diminishing returns. And there are potentially important benefits of a policy of low positive inflation. It makes room for real interest rates to be negative at times, and for relative wages to adjust without the need for nominal wage declines….

These arguments gain further weight when one considers the recent context of monetary policy in the United States. A large easing of monetary policy, as measured by interest rates, moderated but did not fully counteract the forces generating the recession that began in 1990. The relaxation of monetary policy seen over the past three years in the United States would have been arithmetically impossible had inflation and nominal interest rates both been 3%-points lower in 1989. Thus a more vigorous policy of reducing inflation to 0%/year in the mid-1980s might have led to a recent recession much more severe than we have in fact seen…

If the past 24 hours… the past six months… the past six years… are not convincing evidence that a 2%/year inflation target is too low, what would be convincing evidence to that effect?

10 YEAR Bond Quote 10 Year Treasury Note Bond Price Today 10 YEAR ICAPSD MarketWatch

Plus Bonus Hoisted from the Archives:

A 2%/Year Inflation Target Is too Low: First, the live question is not whether the Federal Reserve should raise its target inflation rate above 2% per year.

The live question is whether the Federal Reserve should raise its target inflation rate to 2% per year.

On Wednesday afternoon, Federal Reserve Chair Bernanke stated that he was unwilling to undertake more stimulative policies because “it is not clear we can get substantial improvements in payrolls without some additional inflation risks.” But the PCE deflator ex-food and energy has not seen a 2% per year growth rate since late 2008: over the past four quarters it has only grown at 0.9%. At a 3.5% real GDP growth rate, unemployment is still likely to be at 8.4% at the end of 2011 and 8.0% at the end of 2012–neither of them levels of unemployment that would put any upward pressure at all on wage inflation. It thus looks like 1% is the new 2%: on current Federal Reserve policy, we are looking forward to a likely 1% core inflation rate for at least another year, and more likely three. A Federal Reserve that was now targeting a 2% per year inflation rate would be aggressively upping the ante on its stimulative policies right now. That is not what the Federal Reserve is doing. Would that we had a 2% per year inflation target.

But if we were targeting a 2% inflation rate–which we are not–should we be targeting a higher rate? I believe that the answer is yes.

To explain why, let me take a detour back to the early nineteenth century and to the first generations of economists–people like John Stuart Mill who were the very first to study in the industrial business cycle in the context of the 1825 crash of the British canal boom and the subsequent recession. John Stuart Mill noted the cause of slack capacity, excess inventories, and high unemployment: in the aftermath of the crash, households and businesses wished to materially increase their holdings of safe and liquid financial assets. The flip side of their plans to do so–their excess demand for safe and liquid financial assets–was a shortage of demand for currently-produced goods and services. And the consequence was high unemployment, excess capacity, and recession,.

Once the root problem is pointed out, the cure is easy. The market is short of safe and liquid financial assets? A lack of confidence and trust means that private sector entities cannot themselves create safe and liquid financial assets for businesses and households to hold? Then the government ought to stabilize the economy by supplying the financial assets the market wants and that the private sector cannot create. A properly-neutral monetary policy thus requires that the government buy bonds to inject safe and liquid financial assets–what we call “money”–into the economy.

All this is Monetarism 101. Or perhaps it is just Monetarism 1. We reach Advanced Macroeconomics when the short-term nominal interest rate hits zero. When it does, the government cannot inject extra safe and liquid money into the economy through standard open-market operations: a three-month Treasury bond and cash are both zero-yield government liabilities, and buying one for the other has no effect on the economy-wide stock of safety and liquidity. When the short-term nominal interest rate hits zero, the government has done all it can through conventional monetary policy to fix the cause of the recession. The economy is then in a “liquidity trap.”

Now this is not to say that the government is powerless. It can buy risky and long-term loans for cash, it can guarantee private-sector liabilities. But doing so takes risk onto the government’s books that does not properly belong there. Fiscal policy, too, has possibilities but also dangers.

My great uncle Phil from Marblehead Massachusetts used to talk about a question on a sailing safety examination he once took: “What should you do if you are caught on a lee shore in a hurricane?” The correct answer was: “You never get caught on a lee shore in a hurricane!” The answer to the question of what you should do when conventional monetary policy is tapped out and you are at the zero interest rate nominal bound is that you should never get in such a situation in the first place.

How can you minimize the chances that an economy gets caught at the zero nominal bound where short-term Treasury bonds and cash are perfect substitutes and conventional open-market operations have no effects? The obvious answer is to have a little bit of inflation in the system: not enough to derange the price mechanism, but enough to elevate nominal interest rates in normal times, so that monetary policy has plenty of elbow room to take the steps it needs to take to create macroeconomic stability when recession threatens. We want “creeping inflation.”

How much creeping inflation do we want? We used to think that about 2% per year was enough. But in the past generation major economies have twice gotten themselves stranded on the rocks of the zero nominal bound while pursuing 2% per year inflation targets. First Japan in the 1990s, and now the United States today, have found themselves on the lee shore in the hurricane.

That strongly suggests to me that a 2% per year inflation target is too low. Two macroeconomic disasters in two decades is too many.

1149 words


October 15, 2014

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