@article{Lockwood1995, title = {Multi-firm regulation without lump-sum taxes}, author = {Ben Lockwood}, journal = {Journal of Public Economics}, month = {Jan}, number = {1}, pages = {31--53}, url = {http://www.sciencedirect.com/science/article/B6V76-3YYTF1B-B/1/da47d9b8803db21944a68e25bd99842e}, volume = {56}, year = {1995}, biburl = {http://www.bibsonomy.org/bibtex/2f8ac0849b7ed25b7d03800a747a8bfe6/smicha}, keywords = {Multi-firm regulation } }