The Summer Institute run by the National Bureau of Economics Research (NBER) is an annual gathering of empirical economists that takes place over three weeks of July in Cambridge, Massachusetts. It is widely recognized as the most significant meeting of its kind. In 2018, more than 2,200 economists from 427 institutions participated in at least one of over 50 workshops on a wide range of economic topics, from behavioral macroeconomics to innovation and digitization. Indeed, organizers of the Summer Institute work hard to attract the highest quality research and researchers. The selection process is highly competitive. In 2018, for example, over 5,800 submissions were made and fewer than 10% were accepted. The structure and range of activities taking place at the Summer Institute make it a unique venue for cross-fertilization of ideas. Workshops and lunches are deliberately scheduled to overlap in order to increase the likelihood of interaction between researchers interested in related fields. Participant surveys show high satisfaction with the quality and breadth of the presentations, and appreciation for the opportunity to meet other researchers and initiate new collaborations. This grant provides operating support to NBER to continue to host the Institute for three years.