We present evidence on whether and how a household's behavior is influenced by the presence and characteristics of its extended family. Using data from the PROGRESA program in Mexico, we exploit information on the paternal and maternal surnames of heads and spouses in conjunction with the...

This paper tests whether family size has a causal effect on girls' education in Mexico. It exploits son preference as the main source of random variation in the propensity to have more children, and estimates causal effects using instrumental variables. Overall, it finds no evidence of family...