Question: 1. What is the participation rate if there are 125 million people in the labor force, 100 million people employed, and 25 million not in the labor force?
2. Last year, Linus earned a salary of $25,000 and he spent $24,000, thus saving $1000. At the end of the year, he received a bonus of $1000 and he spent $500 of it, saving the other $500. What was his marginal propensity to consume?
3. Calculate the user cost of capital of a machine that costs $5000 and depreciates at a rate of 25%, when the nominal interest rate is 10% and the expected inflation rate is 5%.