PT Unknown AU Rothenberg, F Braun, S Zimmermann, F Keles, D Fichtner, W TI Investment decision support for zero subsidy wind and solar – An optimization based simulation approach SE 17th International Conference on the European Energy Market, EEM 2020, Stockholm, Sweden, 16 - 18 September 2020 PY 2020 BP 1 EP 5 DI 10.1109/EEM49802.2020.9221884 LA english PI Stockholm, Schweden ER