We study optimal pricing of roads and public transport in presence of nonlinear in- come taxation. Individuals are heterogeneous in unobservable earning ability. Optimal transport tarifs depend on time costs of travel and work schedule adjustments (days and hours worked per day) as a response to...

We investigate the scope for supervisory activities in organizations in which information is non-verifiable and opportunism severe. A principal-supervisor-agent hierarchy is considered. Side-contracts between supervisor and agent may be reached both before and after the agent has chosen his...

We study the political economy of urban traffic policy. We consider a city and its suburbs. The city decides, by majority voting, on a parking charge in the Central Business District (CBD) and restrictions on road space dedicated to cars. City and suburbs vote on road pricing in the CBD. Results...