Harvard economist Clayton M. Christensen says we are now living in the investor 's dilemma . The third type are `` efficiency '' innovations . Investors are abandoning doctrines that were appropriate when education was scarce . Christensen says U.S. corporations no longer waste money , subsidizing fields that offer few jobs .
Harvard economist Clayton M. Christensen says we are now living in the investor 's dilemma . Investors are abandoning doctrines that were appropriate when education was scarce . Christensen says U.S. corporations no longer waste money , subsidizing fields that offer few jobs .