causal inference

Studying the causal effect of crisis pregnancy centers requires solving an endogeneity problem. Here’s how a simulated instrumental variables strategy works, and Monte Carlo evidence that it recovers the true parameter.

CPC abortion reductions are pervasive across all age groups, peaking at ages 25-29. Pregnancy rates do not respond at any age, confirming substitution. A marital decomposition reveals that the births concentrate among married women aged 25-34.