Given significant expenditures on education technologies, an important question is whether these products are adopted by their end users and are effective in practice. This paper studies the adoption, diffusion, and effects of one type of technology that is increasingly ubiquitous:...

We study the effect of market structure on a personal computer manufacturer's decision to adopt new technology. This industry is unusual because there exist two horizontally segmented retail markets with different degrees of competition: the IBM-compatible (or PC) platform and the Apple...