The price mechanism______

Analyze the question The question asks what the price mechanism does. The price mechanism is the system in a free market where prices rise and fall through the interaction of demand and supply.

Explain the concept In economics, every society faces scarcity: wants are unlimited but resources are limited. This forces society to answer the basic economic questions: what to produce, how to produce, and for whom to produce. In a market economy, the price mechanism answers these questions.

• When demand for a good rises, its price rises. This signals producers to devote more resources to it.
• When demand falls, its price falls. Resources move to other, more profitable uses.

This is why the price mechanism is described as the allocation of scarce resources among competing uses.

Evaluate the options

• A. Rations the consumers: Prices do ration goods, since only those willing and able to pay get them. But this is a side effect, not the main function.
• B. Rewards the producers: Profit does reward producers, but this is a result of the process, not its main role.
• C. Regulates supply and demand: This is tempting, but it is slightly backwards. Supply and demand determine price. Price then adjusts to bring them into balance, so the price mechanism does not "regulate" them in the textbook sense.
• D. Allocates scarce resources: This is the standard textbook definition of the price mechanism's primary function. It decides how scarce resources are distributed among different uses.

Answer The correct option is **D.

Exam tip When you see "price mechanism" in JAMB Economics, think "allocation of scarce resources". Rationing, rewarding producers and balancing supply and demand are all by-products of that main function. Link it to the keywords scarcity, choice, and allocation.