Traditional structural models cannot distinguish whether changes in activity are a function of altered expectations today or lagged responses to past plans. Polynomial-adjustment-cost (PAC) models remove this ambiguity by explicitly separating observed dynamic behaviour into movements that have...

The author describes results obtained by using a new methodology to estimate potential output for the United Kingdom. The estimation method, which follows Rennison (2003) and Gosselin and Lalonde (2002), shows that combining the use of a Hodrick-Prescott filter and a structural vector...

Ce rapport passe en revue l'expérience de onze pays européens (y compris la Russie) et des États-Unis dans l'élaboration et la mise en oeuvre de politiques de transports urbains durables. Des rapports nationaux et une analyse synthétique permettent de tirer des leçons des politiques qui...