Human Capital

A. can make any worker into a superstar
B. increases human capital and the wages of workers
C. only helps firms sort workers into high ability and low-ability workers
D. reduces the wage gap between high-skill and low-skill workers.

A. has no impact on the human capital of workers?
B. increases human capital and the wages of workers
C. can make any worker into a superstar
D. only helps firms sort workers into high ability and low-ability workers.