NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Kyung Min Lee

World Bank
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Washington, DC 20433

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

NBER Working Papers and Publications

July 2020Does the Actuarial Adjustment for Pension Delay Affect Retirement and Claiming Decisions?
with Devon Gorry, Sita Slavov: w27508
We investigate the impact of more generous terms for delaying state pensions on claiming and labor supply in the United Kingdom using a 2005 policy change. First, we find that the more generous delay terms reduced the fraction of males receiving pensions at the earliest eligibility age and shortly after. While there are also post-policy changes in women’s claiming behavior, further investigation reveals that these changes do not coincide with the start of the policy and are therefore less likely to be causal effects. Second, we find post-policy increases in labor supply around the earliest pension eligibility age, followed by post-policy decreases in labor supply at older ages. While these labor supply changes cannot easily be separated from longer-term trends, they are consistent with som...
February 2019Immigrant Entrepreneurs and Innovation in the US High-Tech Sector
with J. David Brown, John S. Earle, Mee Jung Kim
in The Roles of Immigrants and Foreign Students in US Science, Innovation, and Entrepreneurship, Ina Ganguli, Shulamit Kahn, Megan MacGarvie, editors
We estimate differences in innovation behavior between foreign versus U.S.-born entrepreneurs in high-tech industries. Our data come from the Annual Survey of Entrepreneurs, a random sample of firms with detailed information on owner characteristics and innovation activities. We find uniformly higher rates of innovation in immigrant-owned firms for 15 of 16 different innovation measures; the only exception is for copyright/trademark. The immigrant advantage holds for older firms as well as for recent start-ups and for every level of the entrepreneur’s education. The size of the estimated immigrant-native differences in product and process innovation activities rises with detailed controls for demographic and human capital characteristics but falls for R&D and patenting. Controlling for fin...
Immigrant Entrepreneurs and Innovation in the U.S. High-Tech Sector
with J. David Brown, John S. Earle, Mee Jung Kim: w25565
We estimate differences in innovation behavior between foreign versus U.S.-born entrepreneurs in high-tech industries. Our data come from the Annual Survey of Entrepreneurs, a random sample of firms with detailed information on owner characteristics and innovation activities. We find uniformly higher rates of innovation in immigrant-owned firms for 15 of 16 different innovation measures; the only exception is for copyright/trademark. The immigrant advantage holds for older firms as well as for recent start-ups and for every level of the entrepreneur’s education. The size of the estimated immigrant-native differences in product and process innovation activities rises with detailed controls for demographic and human capital characteristics but falls for R&D and patenting. Controlling for fin...
 
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