Monetary Policy Experiments As investors
substitute real capital assets for currency and government bonds, central banks find that manipulating interest rates becomes a less effective tool for managing the economic cycle.
Their mission is to protect the jobs of teachers in the regular public schools, and
real technological change — which outsources work to distant locations, allows students and money to leave,
substitutes capital for labor, and in other ways disrupts the existing job structure — is a threat to the security and stability that the unions seek.