In this paper we use a new data set describing households with and without twin children in China to quantify the trade-off between the quality and quantity of children using the incidence of twins that for the first time takes into account effects associated with the lower birthweight and...

We use unique data characterizing individual savings for twins and non-twins in urban China to examine why the savings rates of the young are elevated relative to the middle-aged, despite rising individual life-cycle incomes. We show that inter-generational co-residence masks the true life-cycle...

In many countries of the world the co-residence of young adults aged 25-34 with their parents is not uncommon and in some countries the savings rates of these age groups exceed those of the middle-aged contrary to the standard model of life-cycle savings. In this paper we examine the role of...

Obesity is an important global health problem. Although obesity is not directly related to access to health care or constrained by resource deprivation, overweight status is predominantly found in poor, less-educated populations. This paper seeks to identify the causal role of schooling in...

In this paper, we use new survey data on twins born in urban China, among whom many experienced the consequences of the forced mass rustication movement of the Chinese "cultural revolution," to identify the distinct roles of altruism and guilt in affecting behavior within families. Based on a...