Journal of Urban Economics, 69, (3) 253-272 May, T., Jarvi-Nykanen, T., Minken, H., Ramjerdi, F., Matthews, B., & Monzon, A., (2001), "Cities' Decision-Making Requirements: PROSPECTS Deliverable 1." Socio-Economic Impact Assessment (SEIA) Methodology for Urban Transport Projects. People make travel choices so that they can participate in production, consumption and leisure activities of their choice.