Pierre-Olivier Gourinchas on the Story Behind the NumberOutgoing chief economist Pierre-Olivier Gourinchas reflects on four + years marked by trade tensions, geopolitical shocks, and rapid technological change. And how the value of forecasting lies less in precise point estimates and more in articulating the underlying forces and policy implications.Pierre-Olivier GourinchasSee AlsoMagazine ArchivesCountry FocusBlogs