Ana Balcão Reis and Pedro Martins commented the Nobel Memorial Prize in Economic Sciences awarded to David Card (University of California) for his empirical contributions to labor economics, and Joshua Angrist (Massachussets Institute of Technology) and Guido Imbens (Stanford University) for their methodological contributions to the analysis of causal relationships. Our members’ comments were in Observador, ECO, TSF, Diário de Notícias, Dinheiro Vivo, Jornal Económico, among others.