This workshop was organized by Fabian Lange (McGill University, CIRANO, CIREQ, IZA), Theodore Papageorgiou (McGill University, CIREQ) and Markus Poschke (McGill University, CIREQ, IAE, IZA). The focus of the workshop was new research, both theoretical and applied, focusing on markets where frictions, broadly defined, are present, such as labor market or product markets to name a few.