The law of demand indicates that as the price of a good increases:

Two goods are complementary if:

Exhibit 3-19 Supply and demand curves ​ ​ Beginning from an equilibrium at point E2 in Exhibit 3-19, an increase in demand for good X, other things being equal, would move the equilibrium point to:

The horizontal summation of all individual demands at different given prices results in the:

Since the 1980s, Wal-Mart stores have appeared in almost every community in America. Wal-Mart buys their goods in large quantities and therefore at cheaper prices. Wal-Mart also locates its stores where land prices are low, usually outside of the community business district. Many customers shop at Wal-Mart because of low prices and free parking. Local retailers, like the neighborhood drug store, often go out of business because they lose customers. This story demonstrates that:

Suppose that when price is $10, quantity supplied is 20. When price is $6, quantity supplied is 12 units. The price elasticity of supply is:

Exhibit 3-2 Demand curves In Exhibit 3-2, the shift in the demand curve from D1 to D2 could have been caused by which of the following?

The law of demand shows that:

Suppose that the quantity of apples sold increases by 30 percent after the price of pears increases by 15 percent. What is the coefficient of cross elasticity of demand?

In the long run, price elasticities of demand are usually: