When the AE line crosses the 45-degree line, the economy is in macroeconomic equilibrium, where there is no unplanned change to inventories. O True O False Question 15 2 pts An increase in consumption, investment, government purchases, or net exports will shift the aggregate demand curve to the right. O True O False Question 16 2 pts Stagflation occurs in an economy when we see high employment to population ratio and high inflation rates at the same time. O True O False Question 17 2 pts In a barter system, you have to trade goods and services with another person for other goods or services. O True O False