Endogenous Technological Change (1990) [pdf]

In my very humble view, this 1990 paper by Paul Romer (who later won the Nobel prize in Economics) is perhaps his most brilliant one.

It has collected more than 1,600 citations [0] on Econpapers alone.

[0]: https://econpapers.repec.org/scripts/showcites.pf?h=repec:uc...

Thank you very much for sharing it! This paper is not only poignant, but surprisingly readable.