For the quantity exchanged in a market to remain the same, while the price increased, both supply and demand would have to shift to the right

The economic costs of forming a currency union will be lower whenever:

A) labor market integration is lower. B) labor market integration is higher. C) labor markets are not integrated. D) wage rigidities are present.

When marginal utility is positive, then total utility is

a. negative b. decreasing c. zero d. increasing e. infinite