@techreport{Jungmittag, type = {Working Paper}, author = {Andre Jungmittag}, title = {Combination of forecasts across estimation windows : an application to air travel demand}, organization = {Institut f{\"u}r wirtschafts- und rechtswissenschaftliche Forschung Frankfurt}, url = {https://nbn-resolving.org/urn:nbn:de:bsz:946-2015052215}, pages = {12}, language = {en} }