Suppose that a new government is elected in Lawrencia. The new government takes steps toward improving the court system and reducing government corruption. The citizens of Lawrencia find these efforts credible and outsiders believe these changes will be effective and long lasting. These changes will probably __________.
a. Raise real GDP per person and productivity in Lawrencia.
b. Raise real GDP per person but not productivity in Lawrencia.
c. Raise productivity but not real GDP per person in Lawrencia.
d. Raise neither productivity not real GDP per person in Lawrencia.