Rosenzweig, Mark R.; Zhang, Junsen - Institute for the Study of Labor (IZA) - 2006
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 …