Abstract
In this paper optimal price and service frequency for urban, regional and inter-regional public transport are modelled within the same framework. Because values of time and passenger behaviour depend on the level of frequency it is found that: (1) in urban public transport there may be one low-deficit local optimum and one high-deficit local optimum, one of which is global; (2) contrary to what might be expected, optimal financial deficit per passenger is typically larger for high-frequency services than for low-frequency services; (3) the optimal off-peak price may exceed the optimal peak price. (Author/publisher).