OECD countries are increasingly referred to as "network societies". This prompts questions about educational networks: to what extent can they replace cumbersome bureaucracies as forms of management and as sources of innovation and professionalism? Some predict the demise of large, slow-changing...

This paper calculates new measures of human capital. Contrary to the existing literature, they are based on realistic rates of return to education, which are allowed to vary substantially across countries and to some extent over time. The new measures perform well in regression analysis...