Why building human capital starts as early as elementary school?

Quick using the information in the graph, one might speculate that a) w.w.i created increased job opportunities in the u.s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w.w.ii caused unemployment to increase in the u.s. d) the new deal programs of president roosevelt created employment opportunities in the u.s.

What did economist john maynard keynes believe about deficit spending?

During the early period of spanish colonialism, the death of large numbers of native people led to what