We investigate whether TV watching at ages 6-7 and 8-9 affects cognitive development measured by math and reading scores at ages 8-9 using a rich childhood longitudinal sample from NLSY79. Dynamic panel data models are estimated to handle the unobserved child-specific factor, endogeneity of TV...

This paper establishes a simple model of long run economic and political development, which is driven by the inherent technical features of dierent production factors and the political con.icts among factor owners on how to divide the outputs. The main production factor in economy evolves from...

This paper studies the transition of contract enforcement institutions. The prevalence of relational contracts, low legal quality, strong cultural preference for personalistic relationships, low social mobility, and highly unequal endowment form a cluster of mutually reinforcing institutions...

This paper establishes a simple model of long run economic and political development, which is driven by the inherent technical features of dierent production factors, and political conicts among factor owners on how to divide the outputs. The main capital form in economy evolves from land to...