Which type of unemployment is most closely connected with the saying "you can't teach an old dog new tricks"?

In the knowledge economy

A) physical property rights appear to be lacking. B) property rights have become stronger. C) property rights have been replaced by network externalities. D) intellectual property rights appear to be lacking.

When the short run aggregate supply curve shifts right, it ___ the short-run Phillips curve

a. Moves the economy up along b. Moves the economy down along c. Shifts right d. Shifts left