NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Karen Kopecky

Research Department
Federal Reserve Bank of Atlanta
1000 Peachtree ST NE
Atlanta, GA 30309

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Institutional Affiliation: Federal Reserve Bank of Atlanta

NBER Working Papers and Publications

October 2019The Wife’s Protector: A Quantitative Theory Linking Contraceptive Technology with the Decline in Marriage
with Jeremy Greenwood, Nezih Guner: w26410
The 19th and 20th centuries saw a transformation in contraceptive technologies and their take up. This led to a sexual revolution, which witnessed a rise in premarital sex and out-of-wedlock births, and a decline in marriage. The impact of contraception on married and single life is analyzed here both theoretically and quantitatively. The analysis is conducted using a model where people search for partners. Upon finding one, they can choose between abstinence, marriage, and a premarital sexual relationship. The model is confronted with some stylized facts about premarital sex and marriage over the course of the 20th century. Some economic history is also presented.
November 2007Measuring the Welfare Gain from Personal Computers: A Macroeconomic Approach
with Jeremy Greenwood: w13592
The welfare gain to consumers from the introduction of personal computers is estimated here. A simple model of consumer demand is formulated that uses a slightly modified version of standard preferences. The modification permits marginal utility, and hence total utility, to be finite when the consumption of computers is zero. This implies that the good won't be consumed at a high enough price. It also bounds the consumer surplus derived from the product. The model is calibrated/estimated using standard national income and product account data. The welfare gain from the introduction of personal computers is in the range of 2 to 3 percent of consumption expenditure.

Published: JEREMY GREENWOOD & KAREN A. KOPECKY, 2013. "MEASURING THE WELFARE GAIN FROM PERSONAL COMPUTERS," Economic Inquiry, vol 51(1), pages 336-347.

 
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