@article{economics2007-5,
 author = {Neil Bruce and Stephen J. Turnovsky},
 title = {Variable Retirement and the Effects of Social Insurance on Savings, Wealth, and Welfare},
 journal = {Economics: The Open-Access, Open-Assessment E-Journal},
 volume = {1},
 year = {2007},
 number = {2007-5},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2007-5}
}