@article{796821,
      author = {Poterba, James M.},
      url = {http://library.usi.edu/record/796821},
      title = {Tax policy and the economy 21/},
      publisher = {MIT Press,},
      recid = {796821},
      pages = {xvi, 184 p. :},
      address = {Cambridge, Mass. ;},
      year = {2007},
}