| driving | R Documentation |
Wooldridge Source: Freeman, D.G. (2007), “Drunk Driving Legislation and Traffic Fatalities: New Evidence on BAC 08 Laws,” Contemporary Economic Policy 25, 293–308. Professor Freeman kindly provided the data. Data loads lazily.
data('driving')
A data.frame with 1200 observations on 56 variables:
year: 1980 through 2004
state: 48 continental states, alphabetical
sl55: speed limit == 55
sl65: speed limit == 65
sl70: speed limit == 70
sl75: speed limit == 75
slnone: no speed limit
seatbelt: =0 if none, =1 if primary, =2 if secondary
minage: minimum drinking age
zerotol: zero tolerance law
gdl: graduated drivers license law
bac10: blood alcohol limit .10
bac08: blood alcohol limit .08
perse: administrative license revocation (per se law)
totfat: total traffic fatalities
nghtfat: total nighttime fatalities
wkndfat: total weekend fatalities
totfatpvm: total fatalities per 100 million miles
nghtfatpvm: nighttime fatalities per 100 million miles
wkndfatpvm: weekend fatalities per 100 million miles
statepop: state population
totfatrte: total fatalities per 100,000 population
nghtfatrte: nighttime fatalities per 100,000 population
wkndfatrte: weekend accidents per 100,000 population
vehicmiles: vehicle miles traveled, billions
unem: unemployment rate, percent
perc14_24: percent population aged 14 through 24
sl70plus: sl70 + sl75 + slnone
sbprim: =1 if primary seatbelt law
sbsecon: =1 if secondary seatbelt law
d80: =1 if year == 1980
d81:
d82:
d83:
d84:
d85:
d86:
d87:
d88:
d89:
d90:
d91:
d92:
d93:
d94:
d95:
d96:
d97:
d98:
d99:
d00:
d01:
d02:
d03:
d04: =1 if year == 2004
vehicmilespc:
Several more years of data are available and may further shed light on the effectiveness of several traffic laws.
Used in Text: not used, but see page 695
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
str(driving)