A major function of the price mechanism is that it determines the

The price mechanism plays a major role in determining the allocation of resources in a market economy. It is the mechanism by which prices of goods and services are determined through the interaction of supply and demand. When there is a scarcity of a particular good or service, the price will increase, signaling to suppliers that they should produce more to meet the demand. On the other hand, if there is an oversupply of a particular good or service, the price will decrease, signaling to suppliers that they should reduce production. This process helps to ensure that resources are allocated efficiently and effectively to meet the needs and wants of consumers. Therefore, the correct answer is "allocation of resources".