The Rational Addiction Model of Becker and Murphy (1988) has become a standard tool in the analysis of the demand for drugs, cigarettes, alcohol and other potentially addictive goods. In this paper, we shall argue that the success of the model has been more apparent than real, and that its...

As the structure of consumer preferences plays a crucial role in the analysis of differentiated product markets, estimation of demand systems is a sensitive task. This paper contributes to this project in two ways. First, we develop a method to deal with the simultaneous choice of an equipment...

Starting with a theoretical QUAIDS model at the micro level, an approximate aggregation is developed that allows the model to be applied to time series at the macro level (The approximated aggregation holds for a "representative" consumer with utility equal to the harmonic mean of the individual...

The Consumer Panel of Australia data collected by the Roy Morgan Research Centre is used to investigate the determinantes of brand choice behavior in the laundry detergent market.

The estimation of regression models subject to exact linear restrictions, is a widely applied technique, however, aside from simple examples, the reparameterization method is rarely employed except in the case of polynomial lags. We believe this is due to lack of a general transformation method...