Propensity score based-estimators are commonly used to estimate causal effects in evaluation research. To reduce bias in observational studies researchers might be tempted to include many, perhaps correlated, covariates when estimating the propensity score model. Taking into account that the...

Abstract: The probability of default (PD) is the essential credit risks in the finance world. It provides an estimate of the likelihood that a borrower will be unable to meet its debt obligations. Purpose: This paper computes the probability of default (PD) of utilizing market-based data which...

We evaluate the impact of a female sterilization campaign implemented by the Peruvian government in 1996 and 1997 that we estimate impacted nearly 70,000 women. We use an inverse probability weighting (IPW) estimator that accounts for contamination in the available data. The contamination arises...