Using a large and novel administrative dataset, this paper investigates variation in returnsto different higher education ‘degrees’ (subject-institution combinations) in the United King-dom. Conditioning on a rich set background characteristics, it finds substantial variation inreturns, even...

"The generation and implementation of ideas, or knowledge, is crucial for economic performance. We study this process in a model of endogenous growth with frictions. Productivity increases with knowledge, which advances via innovation, and with the exchange of ideas from those who generate them...