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CMA Foundation · Fundamentals of Business Economics and Management · The Fundamentals of Economics

Which of the following would cause a rightward shift of the demand curve for tea, assuming tea is a normal good?

A rise in consumers' incomes shifts the demand curve for a normal good like tea to the right, because people buy more at every price. Changes in the good's own price only move along the curve, and input costs affect supply rather than demand.

  1. AA fall in the price of tea
  2. BA rise in consumers' incomesCorrect
  3. CA rise in the price of tea
  4. DAn increase in the cost of tea leaves

Explanation

For a normal good, higher income raises demand at every price, shifting the curve right. Changes in the price of tea itself only cause movements along the curve. A rise in the cost of tea leaves affects supply, not demand.

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