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Working Paper
Declining Labor Force Attachment and Downward Trends in Unemployment and Participation
The U.S. labor market witnessed two apparently unrelated secular movements in the last 30 years: a decline in unemployment between the early 1980s and the early 2000s, and a decline in participation since the early 2000s. Using CPS micro data and a stock-flow accounting framework, we show that a substantial, and hitherto unnoticed, factor behind both trends is a decline in the share of nonparticipants who are at the margin of participation. A lower share of marginal nonparticipants implies a lower unemployment rate, because marginal nonparticipants enter the labor force mostly through ...
Working Paper
How Large were the Effects of Emergency and Extended Benefits on Unemployment during the Great Recession and its Aftermath?
This paper presents estimates of the effect of unemployment benefit extensions during the Great Recession on unemployment and labor force participation. Unlike many recent studies of this subject, our estimates, following the work of Hagedorn, Karahan, Manovskii, and Mitman (2016), are inclusive of the effects of benefit extensions on employer, as well as, worker behavior. To identify the effect of benefit extensions, we use plausibly exogenous changes in the rules governing benefit extensions and their differential effects on the maximum duration of benefits across states. We find that the ...
Discussion Paper
What does the Beveridge curve tell us about the likelihood of a soft landing?
Any assessment of the likelihood and characteristics of a soft landing should take into account the situation in the labor market currently and the likely dynamics in the labor market going forward. Modern labor market models centered around the Beveridge curve are a useful tool in this assessment.
Working Paper
What drives matching efficiency? a tale of composition and dispersion
This paper presents a framework to study movements in the matching efficiency of the labor market and highlights two observable factors affecting matching efficiency: (i) unemployment composition and (ii) dispersion in labor market conditions, the fact that tight labor markets coexist with slack ones. Using CPS micro data over 1976-2009, we find that composition is responsible for most of the movements in matching efficiency until 2006. In 2008-2009, only forty percent of an exceptionally low matching efficiency can be attributed to composition. New highly disaggregated data on vacancies and ...
Working Paper
Workweek flexibility and hours variation
I use the term workweek flexibility to describe the ease of changing output by altering the number of hours per worker. Despite the fact that workweek flexibility is potentially important for understanding the cyclical behavior of marginal cost and prices, as well as cyclical movements in hours and output, it has received little attention. Using insights from a simple model of employment and the workweek, I use mean workweek levels to identify the effect of workweek flexibility and then show that it is an important determinant of firms' marginal cost schedules and the variance of industry ...
Working Paper
Why are plant deaths countercyclical: reallocation timing or fragility?
Because plant deaths destroy specific capital with large local economic impacts and potentially important macroeconomic effects, understanding the causes of deaths and, in particular, why they are concentrated in cyclical downturns, is important. The reallocation-timing hypothesis posits that plants suffering adverse permanent demand/productivity shocks delay shutdowns until cyclical downturns when plant capacity is less valuable, while the fragility hypothesis posits that shutdowns occur in downturns because the option value of maintaining the plant through weak demand periods is too low. I ...
Discussion Paper
The Labor Share of Income and Equilibrium Unemployment
After rising to 10 percent in the wake of the Great Recession, the unemployment rate is now approaching a level that many observers--including the Congressional Budget Office, as shown in Figure 1--associate with the natural rate of unemployment.
Working Paper
The causes and consequences of economic restructuring: evidence from the early 21st century
A number of industries underwent large and permanent reductions in employment growth at the beginning of this decade, a process we label as restructuring. We describe how restructuring occurred and what its consequences were for the economy. In particular, we find that restructuring stemmed largely from relative demand shocks (though technology shocks were important in some industries) and that elevated levels of permanent job destruction and permanent layoffs were distinguishing features of industries subject to restructuring. In addition, most workers displaced in restructuring industries ...