@TechReport{economics.dp.2007-4,
 author = {Saint-Paul, Gilles },
 title = {The Complexity of Economic Policy: Restricted Local Optima in Tax Policy Design},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2007},
 number = {2007-4},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2007-4}
}