3. (4, 8, 8 points) This question is based on the article by Acemoglu, Autor, and Lyle (2003). a. How do the authors circumvent the difficulty in studying the effect of an increase in female labor force participation on the wage structure? Explain why it works. b. Suppose the labor market is competitive. Output is given by a simple production function with inputs: capital, K, female workers, F, and male workers, M: Y(K, M. F) = AK1-"[(BMM)P + (BFF)Pjo/p where B' represents the productivity of labor i and A is a neutral productivity term, and p