AlcoholTobacco: Alcohol and Tobacco Expenditures in Belgian Households
In htobit2017: Heteroscedastic Tobit Regression Models

Description Usage Format Source References Examples

Data on budget shares of alcohol and tobacco for 2724 Belgian households, taken from the Belgian household budget survey of 1995/96.

1	data("AlcoholTobacco")

A data frame containing 2724 observations on 9 variables.

alcohol: Budget share of alcohol.
tobacco: Budget share of tobacco.
expenditure: Total expenditure.
age: 10-year age intervals ranging from 0 (younger than 30) to 4 (60 or older).
adults: Number of adults.
oldkids: Number of old kids (2 years or older).
youngkids: Number of young kinds (younger than 2 years).
occupation: Factor indicating occupation of household head ("blue" collar worker, "white" collar worker, or "other").
region: Factor indicating region of residence (Dutch-speaking "flanders", French-speaking "wallonie", or bilingual "brussels").

Supplementary material for Verbeek (2004), originally provided by the National Institute of Statistics (NIS), Belgium.

Verbeek, M. (2004). A Guide to Modern Econometrics, 2nd ed. Chichester, UK: John Wiley.

data("AlcoholTobacco", package = "htobit2017")

## homoscedastic tobit model for budget share of alcohol
ma <- htobit(alcohol ~ (age + adults) * log(expenditure) + oldkids + youngkids,
  data = AlcoholTobacco)
summary(ma)

## homoscedastic tobit model for budget share of tobacco
mt <- htobit(tobacco ~ (age + adults) * log(expenditure) + oldkids + youngkids,
  data = AlcoholTobacco)
summary(mt)