Question on: JAMB Economics - 2015

Here's why the answer is B: * **Understanding Demand Curve Shifts:** A shift to the right in the demand curve indicates an increase in demand. This means that, at any given price, consumers are now willing to buy more of the product. * **Analyzing the Options:** * **A. a rise in price of Bournvita:** This would cause a movement *along* the demand curve (a decrease in quantity demanded), not a shift of the curve itself. * **B. an increase in income:** Bournvita is a normal good. An increase in income typically leads to an increase in the demand for normal goods. This shifts the demand curve to the right. * **C. a tax on cocoa producer:** This would affect the supply of