fertil3 | R Documentation |
Wooldridge Source: L.A. Whittington, J. Alm, and H.E. Peters (1990), “Fertility and the Personal Exemption: Implicit Pronatalist Policy in the United States,” American Economic Review 80, 545-556. The data are given in the article. Data loads lazily.
data('fertil3')
A data.frame with 72 observations on 24 variables:
gfr: births per 1000 women 15-44
pe: real value pers. exemption, $
year: 1913 to 1984
t: time trend, t=1,...,72
tsq: t^2
pe_1: pe[_n-1]
pe_2: pe[_n-2]
pe_3: pe[_n-3]
pe_4: pe[_n-4]
pill: =1 if year >= 1963
ww2: =1, 1941 to 1945
tcu: t^3
cgfr: change in gfr: gfr - gfr_1
cpe: pe - pe_1
cpe_1: cpe[_n-1]
cpe_2: cpe[_n-2]
cpe_3: cpe[_n-3]
cpe_4: cpe[_n-4]
gfr_1: gfr[_n-1]
cgfr_1: cgfr[_n-1]
cgfr_2: cgfr[_n-2]
cgfr_3: cgfr[_n-3]
cgfr_4: cgfr[_n-4]
gfr_2: gfr[_n-2]
pages 358, 377, 378, 397-398, 401, 408, 441, 649, 664-665, 673
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
str(fertil3)
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