The Impact of Federal Incentives on the Adoption of Hybrid Electric Vehicles in the United States
Inês Lima Azevedo, Pedro Ferreira, Alan Jenn
Energy Economics, vol. 40, 2013, p. 936-942.
Utilization of Public Health Centres in Portugal: Effect of Time Costs and Other Determinants: Finite Mixture Models Applied to Truncated Samples
Óscar Lourenço, Pedro Ferreira
Health Economics, vol. 14, 2005, p. 939-953.