The paper illustrates a method to detect and estimate interaction effects in household decision-making and tests the representative member hypothesis by studying how preferences of single members influence family choices. We performed a stated choice experiment concerning hypothetical choices...

The paper provides an evaluation of the Ecopass road pricing scheme for the years 2008, 2009 and 2010. The term Ecopass conveys the stated political objective of the scheme: a PASS to improve the quality of the urban environment (ECO). The scheme has actually improved the air quality in Milan,...

There is growing evidence indicating that there can be significant differences between choices made by single individuals and those made by the same individuals when choosing collectively. This study investigates the dissimilarities between individual and joint decision making in the context of...

Microeconomics studies group behaviour by using the representative member model. However, there is growing evidence that there can be significant differences between choices made by single individuals and those made by the same individuals when choosing collectively. This study investigates the...