This paper introduces the Small World model (Watts and Strogatz, Nature, 1998) into the theory of economic growth and investigates how increasing economic integration affects firm size and efficiency, norm enforcement, and aggregate economic performance. When economic integration is low and...

This paper introduces the Small World model (Watts and Strogatz, Nature, 1998) into the theory of economic growth and investigates how increasing economic integration affects firm size and efficiency, norm enforcement, and aggregate economic performance. When economic integration is low and...

We set up a unified growth model with gender-specific differences in tastes for consumption, fertility, education of daughters and sons, and consider the intra-household bargaining power of spouses. In line with the empirical regularity for less developed countries, we assume that mothers desire...

In this paper, I introduce depression to the economics of human health and aging. Based on studies from happiness research, depression is conceptualized as a drastic loss of utility and value of life (life satisfaction) for unchanged fundamentals. The model is used to explain how untreated...