@incollection{PetersenMuellerHuetheretal.2011,
  author    = {Hans-Georg Petersen and Klaus M{\"u}ller and Michael H{\"u}ther and Christoph Sowada and Atanas Christev and Felix FitzRoy},
  title     = {Taxes, transfers, economic efficiency and social justice : essays on public economics 1979 - 2009. - Chapter 4: Economics of transformation},
  year      = {2011},
}