van soest, arthur; Hurd, Michael D. - National Bureau of Economic Research (NBER) - 2004
In the experimental module of the AHEAD 1995 data, the sample is randomly split into respondents who get an open-ended question on the amount of total family consumption - with follow-up unfolding brackets (of the form: is consumption $X or more?) for those who answer don't know' or refuse' -...