Which best explains why the law of supply and demand has an effect on the labor market?

How changes in productivity of labor will effect the ppc? What is ten pesos worth in the US? Who benefits from trade barriers inefficient or efficient producers? Most of the decisions we make behind the wheel are based on? Opportunity cost for a local community voting to raise property taxes to increase school expenditures and to reduce class size? What is the most common crop for subsistence farming? What group is responsible for studying the economy and preparing the economic report? What was the New Economic Policy and how was it executed? How much is 57.83 pounds equal in American money? What was inflation crisis in Germany? Why are consumers exploited? What motivates the Market economy? What was the economic system of the US? What Is The 5th Grade Science Definition Of Population? How do you calculated Consumer Price Index? What are the capital resources used in making shoes? Which phase of a business cycle that leads and economy into recession? A company is maximizing profit when marginal revenue? What was the price of gold in 2002? Did progressives support in laissez faire?

Which best explains why the law of supply and demand has an effect on the labor market?