Savings

What's in store for r*?

It is amazing how things we once thought impossible, or at least extremely improbable, can become commonplace. Ten-year government bond yields in most of Europe and Japan are at or below zero. And, for U.S. Treasurys, the yield has been below 1 percent since March.

A confluence of factors has come together to deliver these incredibly low interest rates. Most importantly, inflation is far lower and much more stable than it was 30 years ago. Second, monetary policy remains extremely accommodative, with policy rates stuck around zero (or below!) for the past decade in Europe and Japan, and only temporarily higher in the United States. Third, the equilibrium (or natural) real interest rate (r*)—the rate consistent in the longer run with stable inflation and full employment—has fallen by roughly 2 percentage points since 2008 and is now only 0.5% or lower.

How long will this go on? What’s in store for r*? Focusing on the United States, in this post we discuss the large post-2007 decline in r* that followed a gradual downward trend in prior decades. After considering various possible explanations, we focus on the change in U.S. saving behavior. Around 2008, there was an abrupt increase in household savings relative to wealth and income. Combined with increased foreign demand for U.S. assets, this appears to be a key culprit behind the recent fall in r*.

We doubt that this will change anytime soon….

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Has the U.S. Distribution of Wealth Worsened?

Wealth inequality in the United States is obvious to everyone. The Federal Reserve’s triennial Survey of Consumer Finance (SCF) documents the glaring and persistent divide between rich and poor, confirming that ownership of financial and real assets in the United States has been highly concentrated for decades (see our earlier post). The most recent 2016 estimates suggest that the top 10% of the wealth distribution own nearly three-quarters of all marketable assets, with the top 1% owning more than half of that. And, Saez and Zucman (SZ) estimate that the U.S. distribution has been getting worse, with the top 1% share of marketable wealth rising by more than 10 full percentage points since 1989.

But, as Catherine, Miller and Sarin (CMS) recently highlight, adding in the present discounted value of Social Security benefits (net of taxes) to construct a more comprehensive measure of wealth alters these patterns. First, according to CMS’s estimates, the share of marketable wealth in total wealth has plunged by more than 18 percentage points since 1989. Second, over the past three decades, the top 1% share of total wealth has risen only modestly, while the share owned by the top 10% has declined somewhat.

In this post, we highlight the CMS results, and decompose their changes in total wealth shares into two parts: the changes in marketable and Social Security wealth shares accruing to each group, and the aggregate decline over time of marketable wealth as a share of total wealth. We show that the latter dominates the overall trend in this more comprehensive measure of inequality….

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