If a consumer is initially at an optimum, and then the price of X falls, then

A rightward shift of the aggregate demand curve leads to

A) an upward movement along the short-run Phillips curve. B) neither a movement along nor a shift in the short-run Phillips curve. C) a downward movement along the short-run Phillips curve. D) a leftward shift of the short-run Phillips curve. E) a rightward shift of the short-run Phillips curve.

Property rights assure people that

A) the government will not confiscate their income or savings. B) the government will provide a minimum standard of living. C) the factors of production and goods are owned jointly by the government and the people. D) economic growth will enhance government involvement in the economy. E) international trade will be limited.