Wooldridge Source: Economic Report of the President, 2004, Tables B-42 and B-64. Data loads lazily.
data('phillips')A data.frame with 56 observations on 7 variables:
year: 1948 through 2003
unem: civilian unemployment rate, percent
inf: percentage change in CPI
inf_1: inf[_n-1]
unem_1: unem[_n-1]
cinf: inf - inf_1
cunem: unem - unem_1
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
pages 355-356, 379, 390-391, 408, 409, 409, 418, 428, 443, 548-549, 642, 656, 659, 662, 672, 817.
str(phillips)
#> 'data.frame': 56 obs. of 7 variables:
#> $ year : int 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 ...
#> $ unem : num 3.8 5.9 5.3 3.3 3 ...
#> $ inf : num 8.1 -1.2 1.3 7.9 1.9 ...
#> $ inf_1 : num NA 8.1 -1.2 1.3 7.9 ...
#> $ unem_1: num NA 3.8 5.9 5.3 3.3 ...
#> $ cinf : num NA -9.3 2.5 6.6 -6 ...
#> $ cunem : num NA 2.1 -0.6 -2 -0.3 ...
#> - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"