NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Nicolas A. Roys

Department of Economics
Royal Holloway
University of London
Egham, Surrey TW20 OEX
United Kingdom

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: University of London

NBER Working Papers and Publications

November 2019Skill Prices, Occupations, and Changes in the Wage Structure for Low Skilled Men
with Christopher R. Taber: w26453
This paper studies the effect of the change in occupational structure on wages for low skilled men. We develop a model of occupational choice in which workers have multi-dimensional skills that are exploited differently across different occupations. We allow for a rich specification of technological change which has heterogenous effects on different occupations and different parts of the skill distribution. We estimate the model combining four datasets: (1) O*NET, to measure skill intensity across occupations, (2) NLSY79, to identify life-cycle supply effects, (3) CPS (ORG), to estimate the evolution of skill prices and occupations over time, and (4) NLSY97 to see how the gain to specific skills has changed. We find that while changes in the occupational structure have affected wages of lo...
November 2015Training and Search On the Job
with Rasmus Lentz: w21702
The paper studies human capital accumulation over workers' careers in an on the job search setting with heterogenous firms. In renegotiation proof employment contracts, more productive firms provide more training. Both general and specific training induce higher wages within jobs, and with future employers, even conditional on the future employer type. Because matches do not internalize the specific capital loss from employer changes, specific human capital can be over-accumulated, more so in low type firms. While validating the Acemoglu and Pischke (1999) mechanisms, the analysis nevertheless arrives at the opposite conclusion: That increased labor market friction reduces training in equilibrium.

Published: Rasmus Lentz & Nicolas Roys, 2016. "Training and Search On the Job," Federal Reserve Bank of St. Louis, Working Papers, vol 2016(025).

December 2012Size-Dependent Regulations, Firm Size Distribution, and Reallocation
with François Gourio: w18657
In France, firms with 50 employees or more face substantially more regulation than firms with less than 50. As a result, the size distribution of firms is visibly distorted: there are many firms with exactly 49 employees. We model the regulation as the combination of a sunk cost that must be paid the first time the firm reaches 50 employees, and a payroll tax that is paid each period thereafter when the firm operates with more than 50 employees. We estimate the model using indirect inference by fitting the discontinuity of the size distribution. The key finding is that the regulation is equivalent to a combination of a sunk cost approximately equal to about one year of an average employee salary, and a small payroll tax of 0.04%. Our structural model fits well the discontinuity in the size...

Published: François Gourio & Nicolas Roys, 2014. "Size‐dependent regulations, firm size distribution, and reallocation," Quantitative Economics, Econometric Society, vol. 5, pages 377-416, 07. citation courtesy of

 
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