Empirical evidence suggests that positive externalities from R&D exceed negative ones. According to conventional wisdom, this calls for R&D subsidies. This paper develops a quality-ladder growth model with overlapping generations which evaluates the positive and normative implications of R&D...

We argue that South Korean families with children are today overinvesting in the level of education due to their high levels of expenditures on private after-school tutoring programs. This situation has evolved due to a combination of factors: a changing labor market, increasing housing and debt...