In this paper, we present a collective model with public consumption. It is based on the more general model of Lewbel, Chiappori and Browning (2001). Rather than estimating a consumption technology, which captures all economies of scale of living in a couple, we determine a priori which goods...

Over the past 10 to 15 years, the growth of passenger vehicle travel volumes has decelerated in several high-income economies and, in some, growth has stopped or turned negative. Drawing from work presented to and discussions at the ITF Roundtable on long-run trends in travel demand, held in...