@techreport{KoehlerLuhmannWadeskog1999,
  type      = {Working Paper},
  author    = {K{\"o}hler, Jonathan Hugh and Luhmann, Hans-Jochen and Wadeskog, Anders},
  title     = {Expenditure on environmentally sensitive goods and services : household spending in Europe},
  series    = {DAE working papers},
  volume    = {9903},
  institution = {Univ., Dep. of Applied Economics},
  address   = {Cambridge},
  pages     = {21},
  year      = {1999},
  language  = {de}
}