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A change in which of the following will cause a change in the quantity demanded of coffee?O The price of green tea, a substitute for coffeeO The price of coffeeO Consumer incomeO The number of coffee consumers

Answer :

Answer:

THE PRICE OF COFFEE

Explanation:

Demand has 4 determinants : Price , Other Factors [Others price (Substitutes / Complements) , Income , Taste]

Any change in Demand due to Price is 'Change Quantity Demanded': reflected by movement on the curve itself - Expansion (due to fall in price) , Contraction (due to rise in price) .

Any change in Demand due to other factors is 'Change in Demand':   reflected by shift in the entire curve - Increase in Demand (demand curve rightwards shift) , Decrease in Demand (demand curve leftwards shift)

So , 'Change in Quantity Demanded' of Coffee can only be due to : Change in Price of Coffee (its own price) .

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