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"... My main research field is Macroeconomics. My research agenda takes the problem of broadly defined individual optimal choice as its central topical concern. Fascinated by the fact that uninsurable risk and heterogeneity can have substantial impact on aggregate economic outcomes, and on the impact of ..."

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My main research field is Macroeconomics. My research agenda takes the problem of broadly defined individual optimal choice as its central topical concern. Fascinated by the fact that uninsurable risk and heterogeneity can have substantial impact on aggregate economic outcomes, and on the impact of government policies, I depart from the representative agent framework and explore the role of heterogeneity in macroeconomics. My research methodology is to set up a utility-maximizing model of intertemporal individual choice. The process involves extensive and complex numerical calculation. Given the model, I then carry out numerical simulations, which show how a change in model’s parameters affects the outcome, and compare the implication of the model with empirical data. Using this approach, I have been conducting research on housing, consumption, wealth inequality, labor supply, and education. I now briefly describe my current research in those areas, carried out by myself alone and with separate coauthors. • Housing I have completed several papers based on my Ph. D. dissertation ([1], [2]). These papers set up an overlapping generations, general-equilibrium model of life cycle choices of