The random coeffcients model is an extension of the linear regression model which allows for additional heterogeneity in the population by modeling the regression coeffcients as random variables. Given data from this model, the statistical challenge is to recover information about the joint...

The random coeffcients model is an extension of the linear regression model which allows for additional heterogeneity in the population by modeling the regression coeffcients as random variables. Given data from this model, the statistical challenge is to recover information about the joint...

This paper summarises the results of an extensive stated preference (SP) survey, conducted in Switzerland in order to obtain detailed information for the evaluation of road pricing schemes. Four different SP experiments were included: one about the political acceptability of road pricing and the...