"Trade data from 1977 and 1985 suggest that, on average, service industries with the greatest trade-related employment gains tend to be more skill-intensive and that such industries employ relatively more women and minorities than do service industries experiencing the least trade-related...

Can human performance continue to improve indefinitely? Or improvement will eventually slow down due to the existence of maximum limit? In this paper, the world records of 61 sport events in running and swimming through the last hundred years have been analysed to answer the question about the...