fertil3: fertil3

In JustinMShea/wooldridge: 115 Data Sets from "Introductory Econometrics: A Modern Approach, 7e" by Jeffrey M. Wooldridge

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:

• 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]

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)

JustinMShea/wooldridge documentation built on May 16, 2023, 12:30 p.m.