A change in one or more of the determinants of demand will change the demand data (the demand schedule) in Table - and therefore the location of the demand curve in Figure - . A change in the demand schedule, or graphically, a shift in the demand curve, is called a change in demand.

If consumers desire to buy more corn at each possible price than is reflected in column 4 in Table - , that increase in demand is shown as a shift of the demand curve to the right, say, from D1 to D2. Conversely, a decrease in demand occurs when consumers

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