The Center for Institutional Studies (CInSt), at HSE, is hosting a workshop on 4 - 5 October, 2013 on aspects of sustainable public procurement. The international workshop brings together researchers from The Economics of Public Private Partnerships Chair and the Department of Economics and Management at the University of Padova and from the HSE’s CInSt. The HSE news portal asked three of the participants to answer some questions in advance of the workshop.