Shifts in the demand curve caused by changes in tastes, income, other goods, or expectations are known as what?

• A. Changes in Demand
• B. Movements Along Demand Curve
• C. Law of Demand
• D. Elastic Demand

Answer: (A)

When non-price factors change, the entire relationship between price and quantity demanded changes. Here, shifts in demand occur because tastes, income, the prices of other goods, or expectations alter how much people want to buy at every price level. That’s why these factors move the whole demand curve rather than just causing a single point to change.

For example, if incomes rise, people typically buy more of many goods at all price levels, shifting the demand curve to the right. If tastes shift against a good, the curve shifts left. Changes in the prices of related goods (like substitutes or complements) or in expectations about future prices can produce similar shifts.

In contrast, the law of demand describes the downward-sloping inverse relationship between price and quantity demanded, not what causes a shift. A movement along the curve happens when the price itself changes while other factors stay the same, and elastic demand describes how responsive quantity demanded is to price changes, not what causes the curve to move.