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Author:Karahan, Fatih 

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Unemployment Benefits and Unemployment in the Great Recession: The Role of Equilibrium Effects

Equilibrium labor market theory suggests that unemployment benefit extensions affect unemployment by impacting both job search decisions by the unemployed and job creation decisions by employers. The existing empirical literature focused on the former effect only. We develop a new methodology necessary to incorporate the measurement of the latter effect. Implementing this methodology in the data, we find that benefit extensions raise equilibrium wages and lead to a sharp contraction in vacancy creation and employment and a rise in unemployment.
Staff Reports , Paper 646

Report
Labor Market Policies during an Epidemic

We study the positive and normative implications of labor market policies that counteract the economic fallout from containment measures during an epidemic. We incorporate a standard epidemiological model into an equilibrium search model of the labor market to compare unemployment insurance (UI) expansions and payroll subsidies. In isolation, payroll subsidies that preserve match capital and enable a swift economic recovery are preferred over a cost-equivalent UI expansion. When considered jointly, however, a cost-equivalent optimal mix allocates 20 percent of the budget to payroll subsidies ...
Staff Reports , Paper 943

Working Paper
Labor Market Shocks and Monetary Policy

We develop a heterogeneous-agent New Keynesian model featuring a frictional labor market with on-the-job search to quantitatively study the role of worker flows in inflation dynamics and monetary policy. Motivated by our empirical finding that the historical negative correlation between the unemployment rate and the employer-to-employer (EE) transition rate up to the Great Recession disappeared during the recovery, we use the model to quantify the effect of EE transitions on inflation in this period. We find that the four-quarter inflation rate would have been 0.6 percentage points higher ...
Working Papers , Paper 2022-016

Discussion Paper
The Long-Term Unemployed and the Wages of New Hires

This is the third in a series of blog posts on the topic of measuring labor market slack. In this post, we assess the relationships between short- and long-term unemployment and wages by comparing the differences in states’ experiences over the business cycle. While all states felt the impact of the Great Recession, some fared better than others. Consequently, it is possible to use differences in the composition and shifts of short- and long-term unemployment to determine whether short-term unemployment exerts a greater influence on wage determination. The results suggest that there is ...
Liberty Street Economics , Paper 20141119

Report
The role of start-ups in structural transformation

The U.S. economy has been going through a striking structural transformation?the secular reallocation of employment across sectors?over the past several decades. We propose a decomposition framework to assess the contributions of various margins of firm dynamics to this shift. Using firm-level data, we find that at least 50 percent of the adjustment has been taking place along the entry margin, owing to sectors receiving shares of start-up employment that differ from their overall employment shares. The rest is mostly the result of life cycle differences across sectors. Declining overall ...
Staff Reports , Paper 762

Working Paper
Labor Market Shocks and Monetary Policy

We study the positive and normative implications for inflation of employer-to-employer (EE) worker transitions by developing a heterogeneous agent New Keynesian model featuring a frictional labor market with on-the-job search. We find that EE dynamics played an important role in shaping the differential inflation dynamics observed during the Great Recession and COVID-19 recoveries. Despite both recoveries sharing similar unemployment dynamics, the recovery from the Great Recession exhibited subdued EE transitions and inflation dynamics. In our model, the optimal monetary policy involves a ...
Research Working Paper , Paper RWP 24-04

Working Paper
Labor Market Policies During an Epidemic

We study the positive and normative implications of labor market policies that counteract the economic fallout from containment measures during an epidemic. We incorporate a standard epidemiological model into an equilibrium search model of the labor market to compare unemployment insurance (UI) expansions and payroll subsidies. In isolation, payroll subsidies that preserve match capital and enable a swift economic recovery are preferred over a cost-equivalent UI expansion. When considered jointly, however, a cost-equivalent optimal mix allocates 20 percent of the budget to payroll subsidies ...
Working Papers , Paper 2020-024

Working Paper
Anatomy of Lifetime Earnings Inequality: Heterogeneity in Job Ladder Risk vs. Human Capital

We study the determinants of lifetime earnings (LE) inequality in the U.S. by focusing on job ladder dynamics and on-the-job learning as sources of wage growth. Using administrative data, we document that i) lower LE workers change jobs more often, which is mainly driven by nonemployment; ii) average annual earnings growth for job stayers is similar, around 2% in the bottom two-thirds of the LE distribution, whereas for job switchers it rises with LE; iii) top LE workers enjoy around 10% average earnings growth regardless of job switching. By targeting these facts, we estimate a structural ...
Working Papers , Paper 2022-002

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Demographic origins of the startup deficit

We propose a simple explanation for the long-run decline in the U.S. startup rate. It originates from a slowdown in labor supply growth since the late 1970s, largely pre-determined by demographics. This channel can explain roughly 60 percent of the decline and why incumbent firm survival and average growth over the lifecycle have changed little. We show these results in a standard model of firm dynamics and test the mechanism using cross-state variation in labor supply growth. Finally, we show that a longer entry rate series imputed using historical establishment tabulations rises over the ...
Staff Reports , Paper 888

Discussion Paper
Translating Weekly Jobless Claims into Monthly Net Job Losses

News headlines highlighting the loss of at least 30 million jobs (so far) underscore the massive shock that has hit the U.S. economy and the dislocation, hardship, and stress it has caused for so many American workers. But how accurately does this number actually capture the number of net job losses? In this post, we look at some of the statistical anomalies and quirks in the weekly claims series and offer a guide to interpreting these numbers. What we find is that the relationship between jobless claims and payroll employment for the month can vary substantially, depending on the nature, ...
Liberty Street Economics , Paper 20200507a

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