Illustrations of investments in human capital would comprise: (1) freeing slaves at the conclusion of the Civil War. (2) betting on the outcome of a professional wrestling match. (3) need people to pass a test on the U.S. Constitution before permitting them to vote. (4) giving English classes as a gateway for illegal aliens to become U.S. citizens. (5) using an IQ test as a screening device before hiring workers.
Hello guys I want your advice. Please recommend some views for above Economics problems.