Three basic types of planning models: aggregate growth models, input-output analysis, and project appraisal.

Question1
Compare and contrast the three basic types of planning models: aggregate growth models, input-output analysis, and project appraisal. What do you think are some of the strengths and weaknesses of these models from the standpoint of planning in developing nations?

Question2
Summarize the arguments for and against the role and impact of private foreign investment in less developed countries. What strategies might developing countries adapt to make private foreign investment fit their development aspiration better without destroying all incentives for foreign investors?