Paul Romer: “Economists devote too much attention to international flows of goods and services and not enough to international flows of ideas.”

Elhanan Helpman: A literature review of “labor market frictions as a source of comparative advantage, with implications for unemployment and inequality.”

William Kerr & William Lincoln: “Higher H-1B admissions increase immigrant science and engineering (SE) employment and patenting by inventors with Indian and Chinese names in cities and firms dependent upon the program relative to their peers… We are able to rule out displacement effects, and small crowding-in effects may exist.”