NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Ioana Marinescu

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Working Papers

August 2016Opening the Black Box of the Matching Function: the Power of Words
with Ronald Wolthoff: w22508
How do employers attract the right workers? How important are posted wages vs. other job characteristics? Using data from the leading job board CareerBuilder.com, we show that most vacancies do not post wages, and, for those that do, job titles explain more than 90% of the wage variance. Job titles also explain more than 80% of the across-vacancies variance in the education and experience of applicants. Finally, failing to control for job titles leads to a spurious negative elasticity of labor supply. Thus, our results uncover the previously undocumented power of words in the job matching process.
July 2016The General Equilibrium Impacts of Unemployment Insurance: Evidence from a Large Online Job Board
w22447
During the Great Recession, U.S. unemployment benefits were extended by up to 73 weeks. Theory predicts that extensions increase unemployment by discouraging job search, a partial equilibrium effect. Using data from the large job board CareerBuilder.com, I find that a 10% increase in benefit duration decreased state-level job applications by 1%, but had no robust effect on job vacancies. Job seekers thus faced reduced competition for jobs, a general equilibrium effect. Calibration implies that the general equilibrium effect reduces the impact of unemployment insurance on unemployment by 40%: increasing benefit duration by 10% increases unemployment by only 0.6% in equilibrium.

Forthcoming: The General Equilibrium Impacts of Unemployment Insurance: Evidence from a Large Online Job Board, Ioana Marinescu. in Social Insurance Programs (Trans-Atlantic Public Economic Seminar - TAPES), Gordon, Peichl, and Poterba. 2016

February 2016Can Fixed-Term Contracts Put Low Skilled Youth on a Better Career Path? Evidence from Spain
with J. Ignacio García-Pérez, Judit Vall Castelló: w22048
By reducing the commitment made by employers, fixed-term contracts can help low-skilled youth find a first job. However, the long-term impact of fixed-term contracts on these workers’ careers may be negative. Using Spanish social security data, we analyze the impact of a large liberalization in the regulation of fixed-term contracts in 1984. Using a cohort regression discontinuity design, we find that the reform raised the likelihood of male high-school dropouts working before age 19 by 9%. However, in the longer run, the reform reduced number of days worked (by 4.5%) and earnings (by 9%).
November 2015Divorce: What Does Learning Have to Do with It?
w21761
Learning about marriage quality has been proposed as a key mechanism for explaining how the probability of divorce evolves with marriage duration, and why people often cohabit before getting married. I develop four theoretical models of divorce, three of which include learning. I use data from the Survey of Income and Program Participation to test reduced form implications of these models. The data is inconsistent with models including a substantial amount of learning. On the other hand, the data is consistent with a model without any learning, but where marriage quality changes over time.

Published: Ioana Marinescu, 2016. "Divorce: What does learning have to do with it?," Labour Economics, vol 38(), pages 90-105.

Contact and additional information for this authorAll NBER papers and publicationsNBER Working Papers onlyInformation about this author at RePEc

 
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