Answer Happy

Find the relationships between the demands and revenues of different mode pairs by considering subways in Istanbul. Indicate whether they are substitutes or supplements. Indicate what other possible factors are affecting demand and revenues. Indicate whether they have flexible or inelastic demands. Your answer should include a full analysis of urban transport so you can use it to answer questions such as whether rates should be increased, whether public transport should be free or very low cost (below profit-making levels).
Student must contribute 1,000 words and 5 references.