fertil3 {wooldridge} | R Documentation |
fertil3
Description
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.
Usage
data('fertil3')
Format
A data.frame with 72 observations on 24 variables:
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gfr: births per 1000 women 15-44
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pe: real value pers. exemption, $
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year: 1913 to 1984
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t: time trend, t=1,...,72
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tsq: t^2
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pe_1: pe[_n-1]
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pe_2: pe[_n-2]
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pe_3: pe[_n-3]
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pe_4: pe[_n-4]
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pill: =1 if year >= 1963
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ww2: =1, 1941 to 1945
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tcu: t^3
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cgfr: change in gfr: gfr - gfr_1
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cpe: pe - pe_1
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cpe_1: cpe[_n-1]
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cpe_2: cpe[_n-2]
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cpe_3: cpe[_n-3]
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cpe_4: cpe[_n-4]
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gfr_1: gfr[_n-1]
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cgfr_1: cgfr[_n-1]
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cgfr_2: cgfr[_n-2]
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cgfr_3: cgfr[_n-3]
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cgfr_4: cgfr[_n-4]
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gfr_2: gfr[_n-2]
Used in Text
pages 358, 377, 378, 397-398, 401, 408, 441, 649, 664-665, 673
Source
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
Examples
str(fertil3)