Answer the following questions about unemployment:
a. If a country has a noninstitutional population of 200 million and a labor force of 160 million, and 140 million people were employed, what is its labor force participation rate and its unemployment rate?
b. If 10 million new jobs were created in the country, and it attracted 20 million of the people previously not in the labor force into the labor force, what would the new labor force participation rate and new unemployment rate be?
c. Beginning with the situation in part (a), if 10 million unemployed people became discouraged and stopped looking for work, what would the new labor force participation rate and new unemployment rate be?
d. Beginning with the situation in part (a), if 10 million current workers retired but their jobs were filled by others still in the labor force, what would the new labor force participation rate and new unemployment rate be?