In order to increase society's total welfare (social efficiency), a production process that produces a negative externality should be:

If the demand for a product increases and the supply of the same product increases, the equilibrium price will increase

Indicate whether the statement is true or false

The SRAS curve is ____ with real output levels that ____

a. upward sloping; vary positively with the price level b. upward sloping; vary negatively with the price level c. vertical; are equal to the natural level of real output at all price levels d. vertical; can be either greater than or less than the natural level of real output