Social Engineers Changing the World

As part of a book symposium on Erwin Dekker's Jan Tinbergen (1903–1994) and the Rise of Economic Expertise (2021), Mariana Mortágua and Francisco Louçã reflect on the context of Tinbergen’s evolution and, more specifically, his change(s) of focus on how to engineer social progress compared to that of the closest of his colleagues, Ragnar Frisch.