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ACCA Applied Knowledge · Business and Technology · Microeconomic factors

A market for organic coffee beans is in equilibrium. A new health report increases consumers' preference for organic coffee, while nothing changes on the supply side. What is the most likely effect on the market?

A favourable change in consumer tastes shifts the demand curve to the right. With supply unchanged, the new equilibrium has both a higher price and a higher quantity traded, because suppliers move up their existing supply curve to meet the extra demand.

  1. ADemand curve shifts right, giving a higher equilibrium price and quantityCorrect
  2. BDemand curve shifts right, giving a higher equilibrium price but lower quantity
  3. CSupply curve shifts left, giving a higher equilibrium price and lower quantity
  4. DThere is a movement along the demand curve, giving a lower equilibrium price

Explanation

A change in tastes is a non-price determinant, so the whole demand curve shifts right. Against an unchanged upward-sloping supply curve, the new intersection is at a higher price and a higher quantity. Option B would require supply to fall, which has not happened.

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