Firstly, TFP growth slowed because technological catch-up opportunities were exhausted, the illusory TFP growth of the bubble period evaporated, 5 and information and communication technology failed to improve the productivity of Japanese firms, unlike the case for firms in the United States.
The additional return over and above that from a senior high school diploma of a degree in a scientific discipline is, in Italy, between three and four times greater than that derived from a degree in the humanities.