driving {wooldridge}

driving

Description

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.

Usage

data('driving')

Format

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:

Notes

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

Source

https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041

Examples

 str(driving)