The cross section of housing returns Are housing returns predictably different? Commercial and residential sorting Heterogeneity is important for understanding sorting in a city Consumption Euler Equations and Credit Constraints Can credit constraints help fit heterogeneity in consumption euler equations The Urban Life Cycle of Households Heterogeneous agents living in a city Executive Contracts and Multitasking - An Empirical Matching Approach Different horses for different courses Optimal Public Housing Living and working in a city with private information