@misc{Do2007,
  author    = {Truong Giang Do},
  title     = {Tariffs and export subsidies in a spatial economic model},
  institution = {Wirtschaftswissenschaften},
  series    = {Volkswirtschaftliche Diskussionsbeitr{\"a}ge},
  number    = {65},
  type      = {workingpaper},
  year        = {2007},
}