Wooldridge Source: L.E. Papke (1994), “Tax Policy and Urban Development: Evidence from the Indiana Enterprise Zone Program,” Journal of Public Economics 54, 37-49. Professor Papke kindly provided these data. Data loads lazily.
data('ezanders')A data.frame with 108 observations on 25 variables:
month: name of month
uclms: unemployment claims
ez: =1 if enterprise zone
year: 1980 through 1988
y81: =1 if year == 1981
y82:
y83:
y84:
y85:
y86:
y87:
y88:
luclms: log(uclms)
jan: =1 if month == JAN
feb:
mar:
apr:
may:
jun:
jul:
aug:
sep:
oct:
nov:
dec:
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
These are actually monthly unemployment claims for the Anderson enterprise zone. Papke used annualized data, across many zones and non-zones, in her original analysis.
Used in Text: page 377
str(ezanders)
#> 'data.frame': 108 obs. of 25 variables:
#> $ month : chr "JAN" "FEB" "MAR" "APR" ...
#> $ uclms : int 18369 17661 16340 16268 19340 19471 16909 14820 10274 6740 ...
#> $ ez : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ year : int 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 ...
#> $ y81 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y82 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y83 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y84 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y85 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y86 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y87 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ y88 : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ luclms: num 9.82 9.78 9.7 9.7 9.87 ...
#> $ jan : int 1 0 0 0 0 0 0 0 0 0 ...
#> $ feb : int 0 1 0 0 0 0 0 0 0 0 ...
#> $ mar : int 0 0 1 0 0 0 0 0 0 0 ...
#> $ apr : int 0 0 0 1 0 0 0 0 0 0 ...
#> $ may : int 0 0 0 0 1 0 0 0 0 0 ...
#> $ jun : int 0 0 0 0 0 1 0 0 0 0 ...
#> $ jul : int 0 0 0 0 0 0 1 0 0 0 ...
#> $ aug : int 0 0 0 0 0 0 0 1 0 0 ...
#> $ sep : int 0 0 0 0 0 0 0 0 1 0 ...
#> $ oct : int 0 0 0 0 0 0 0 0 0 1 ...
#> $ nov : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ dec : int 0 0 0 0 0 0 0 0 0 0 ...
#> - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"