a panel from 1999-2000
number of observations : 1448 observations for 548 individuals
observation : individuals
country : United-States
data(TollRoad)A dataframe containing :
the individual id
the source of the data, one of br : revealed
preference survey conducted by the Brookings Institution,
bs : stated preferences survey conducted by the Brookings
Institution and cal : revealed preferences survey conducted
by the Californian Polytechnic State University
the route chosen, one of express (the toll-road)
or freeway (the free road)
the monetary cost of the road (a for the free road)
the median time of the trip on both highways for the given schedule
the reliability of the trip length on both highways for the given schedule, measured by the difference between the 80th and the 50th percentile of the trip length
the number of people in the car
the household size
one of male or female
does the respondent declare having a flexible
arrival time, a factor with levels yes or no
trip distance in miles
a long-commute for trips longer than 45 minutes (a
factor with levels yes or no)
a factor with levels yes if the respondent is
between 30 and 50 years old, no otherwise
a factor with levels low, medium and high
Econometrica data archive