This paper deals with the identification of treatment effects when the outcome variable is ordered. If outcomes are measured ordinally, previously developed methods to investigate the impact of an endogenous binary regressor on average outcomes cannot be applied as the expectation of an ordered...

Record linkage algorithms typically find matches by comparing records on the fields they share. However, PATSTAT shares very little information with company databases. We introduce REMERGE: a flexible, open-source algorithm that allows PATSTAT, the worldwide patent database, to be intelligently...