My first essay is a study of tax policy and US marital fertility. Marginal tax rate changes have the ability to affect fertility decisions by altering the opportunity cost of time through a change in the after-tax wage. Using a natural experiments framework developed to examine women\u27s labor force participation I investigate the effect of the Tax Reform Act of 1986 on marital fertility. The data were from the March Current Population Survey. I find the women who faced the largest drop in their marginal tax rate increased their fertility by 15 percent after TRA86 relative to a control group who faced a smaller cut. The second essay examines the change in the mix of income and benefits that older adults receive as the age, with a focus on ...