Innovation and technological progress are the key determinants of long-run economic growth and welfare. Therefore, an important question is, how can public policy encourage more innovation? In this chapter, I review some of the empirical findings from various recent studies on innovation and...

During 2006, the Gallup Organization conducted a World Poll that used an identical questionnaire for national samples of adults from 132 countries. I analyze the data on life satisfaction (happiness) and on health satisfaction and look at their relationships with national income, age, and...

We develop a microeconomic model of endogenous growth where clean and dirty technologies compete in production and innovation. in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more advanced to start with, the potential transition to...