This collection of essays by Ruttan and Hayami spans their long career in the economics of technical and institutional change. At both a theoretical and empirical level, their analysis of induced innovation provides a solid foundation for understanding how and why technologies and institutions evolve in response to factors that constrain them. Can Economic Growth Be Sustained? provides a sweeping explanation of this process.

As scholars, Ruttan and Hayami's abilities and experiences complemented each other. Together, they had great success in working across contexts to integrate...