Question

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 1

THE PRICE OF COFFEE

Step-by-step 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) .