In this paper, we use new survey data on twins born in urban China, among whom many experienced the consequences of the …

In this paper we use a new data set describing households with and without twin children in China to quantify the trade … area of China, an extra child at parity one or at parity two, net of birthweight effects, significantly decreases the … deficit of twins. Despite the evident significant trade-off between number of children and child quality in China, however …