Back to Activities / PhD Seminars 19jan202112:15ONLINE: Optimal discounts in green public procurementOlga Chiappinelli (DIW Berlin & Berlin School of Economics and Law)12:15 Activity:Economic Theory seminar Event Details Event Details Join the online seminar HERE. SpeakerOlga Chiappinelli (DIW Berlin & Berlin School of Economics and Law) Time(Tuesday) 12:15 Calendar GoogleCal