If the number of unemployed workers is 200 million, the number of employed workers is 300 million, and the working-age population is 800 million, what is the labor force participation rate?

Using average cost pricing to regulate a natural monopoly creates a deadweight loss

Indicate whether the statement is true or false

Suppose that workers in A can produce 1 unit of S in 3 hours and 1 unit of T in 9 hours. Suppose that the relative price of S in B is 2. Graph the PPF for country A. Indicate the exact slope of the PPF. Show how the autarky equilibrium is determined

Illustrate a hypothetical international trade equilibrium, including production and consumption points, and trade volumes for a given (your assumption-be explicit) but permissible value of the international terms of trade.