It is taken for granted in the knowledge economy that companies must employ the most talented performers to compete and succeed. Many firms try to buy stars by luring them away from competitors. But Boris Groysberg shows what an uncertain and disastrous practice this can be. After examining the...

I study the human capital development and firm-worker matching processes for PhD economists.This group is useful for this purpose because the types of jobs they hold can be easily categorized and they have an observable roductivity measure (that is,publications.)I derive a two-period model to...