[2] His paper on decentralized economic planning caught the eye of Kenneth Arrow at Stanford University.

[5][2] Uzawa was a senior fellow at the Research Center of Social Common Capital at Doshisha University.

He also held the position of Counsel for the Development Bank of Japan's Research Institute of Capital Formation (RICF) from 1968 until his passing.

His 1965 model in which technical change is a result of macroeconomic investment was an early approach to endogenous growth theory.

In these models, investments in R&D or education are chosen and have the effect of raising future economic growth rates.