Want growth? Learn to compete: Mexico's Carstens By: CNBC.com News March 31, 2014 at 17:26 PM EDT Mexico's state monopolies-and Carlos Slim-will have to get used to more competition, says its top central banker. Read More >> Related Stocks: America Movil S.A.B. DE C.V. ADR iPath Dow Jones-Goldman Sachs Crude Oil Fund