4. 15 points Note: The added worker effect was discussed during the section of the course on labor supply Why does the added worker effect cause the labor force to grow during recessions? Why does the discouraged worker effect cause it to shrink? Which effect is likely to be more important? 5. 5 points Discuss carefully three market-based theories of discrimination in the labor market. 6. 5 points Explain why wage gaps have increasingly negative impacts on women over time. 7. 15 points Suppose a city pays its building inspectors (all male) $25 an hour and pays its public health nurses (all females) $15 per hour. Now, suppose the city council passes a comparable-worth law that requires the wages of nurses equal the wages of building inspectors. Evaluate the impact of this policy on public health nurses. Why is it likely that this policy will likely benefit primarily high-quality public health nurses