| Summary: | 碩士 === 國立暨南國際大學 === 經濟學系 === 90 === In the paper, we are discussing the relationship between social interaction and social capital, analyzing the impact to physical output, and the type in long-term equilibrium of consumption and physical capital. In Chapter 3, we assume social interaction costs physical output only. We conclude that if social interaction exists-in the type of social planner-the equilibrium of physical capital and consumption, and the growth rate of physical capital and consumption will all be higher than what they are as social interaction not exists. When production function has increasing returns to scale, the indeterminacy exists in converge path.
In Chapter 4, we assume social interaction costs time only. As the working time is fixed, the indeterminacy exists in converge path. When we relax the assumption, it exists multiple equilibriums. At last, we assume social interaction costs not only physical output but also time. In the model, it exists multiple equilibriums and indeterminacy at the same time.
Keywords: social capital; indeterminacy
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