References
- Ait-SahaliaY, AndritzkyJ, JobstA, NowakS, TamrisaN. 2012. Market response to policy initiatives during the global finance. J Int Econ. 87(1):162–171.
- AmbecS, BarlaP. 2002. A theoretical foundation of the Porter hypothesis. Econ Lett. 75:355–360.
- DayC. 2005. Baying green: the crucial role of public authorities. Local Environ. 10(2):201–209.
- DelmasM, ToffelMW. 2004. Stakeholders and environmental management practices: an institutional framework. Bus Strat Environ. 13:209–222.
- EC. The economic adjustment programme for Greece, European Community, Occasional Paer 94, Brussels2012.
- EC. The economic adjustment programme for Cyprus, European Community, Occasional Papers 149, Brussels2013.
- EU. Green public procurement in Europe: Conclusions and recommendations2006.
- GorderGW, ForemanDI. 2014. Nonparametric statistics: a step-by-step approach. Wiley.
- GüntherE, ScheibeL. 2006. The hurdle analysis: a self-evaluation tool for municipalities to identify, analyse and overcome hurdles to green procurement. Corp Soc Responsib Environ Mgmt. 13:61–77.
- JohnstoneN, LabonneJ. 2009. Why do manufacturing facilities introduce environmental management systems? Improving and/or signaling performance. Ecol Econ. :710–730.
- KhannaM, AntonWRQ. 2002. Corporate environmental management: regulatory and market-based incentives. Land Econ. 78(4):539–558.
- LiL, GeiserK. 2005. Environmentally responsible public procurement (ERPP) and its implications for integrated product policy (IPP). J Clean Prod. 13:705–715.
- MarronD. 2003. Greener public purchasing as an environmental policy instrument. OECD J Budg. 3(4):71–105.
- MatsaganisM. 2011. The welfare state and the crisis: the case of Greece. J Econ Bus. 21(5):501–512.
- MelnykSA, SoufeRP, CalantoneR. 2003. Assessing the impact of environmental management systems on corporate and environmental performance. J Oper Manag. 21:329–352.
- MichelsenO, de BoerL. 2009. Green procurement in Norway: a survey at the municipal and country level. J Environ Manag. 91:160–167.
- NissinenA, Parikka-AlholaK, RitaH. 2009. Environmental criteria in the public purchases above the EU threshold by three Nordic countries: 2003–2005. Ecol Econ. 68:1838–1849.
- OECD. 2003. The environmental performance of public procurement: issues of poicy coherence France.
- OjaHannu. 2010. Multivariate nonparametric methods with R: an approach based on spatial signs and ranks. Lecture Notes in Statistics 199. New York. pp. xiv+232Springer.
- PalmujokiA, Parikka-AlholaK, EkroosA. 2010. Green public procurement: analysis on the use of environmental criteria in contracts. Review of Eurpean Community & International Environmental Law. 19(2):250–262.
- Parikka-AlholaK. 2008. Promoting environmentally sound furniture by green public procurement. Ecol Econ. 68:472–485.
- PorterME, van der LindeC. 1995. Towards a new conception of the environment-competitiveness relationship. J Econ Perspect. 9(4):97–118.
- PreussL. 2009. Addressing sustainable development through public procurement: the case of local government. Suppl Chain Manag. 14(3):213–223.
- ShambaughJC, ReisR, ReyH. 2012. The Euro's three crises. Brookings Pap Econ Act. 44(1):157–231.
- SimpsonM, TaylorN, BarkerK. 2004. Environmental responsibility of SMEs: does it deliver competitive advantage?Business and the Environment. 13:156–171.
- TaraniniM, LoprienoAD, PortaPL. 2011. A life cycle approach to Green Public Procurement of building materials and elements: a case study on windows. Energy. 2473–2482.
- TestaF, IraldoF, FreyM, DaddiT. 2012. What factors influence the uptake of GPP (Green Public Procurement), practice? New evidence form an Italian survey. Ecol Econ. 82:88–96.
- ThomsonJ, JacksonT. 2007. Sustainable procurement in practice: lessons form local government. J Environ Plan Manag. 50(3):421–444.
- TsiremeAI, NikolaouEI, GeorgantzisN, TsagarakisK. 2012. The influence of environmental policy on the decisions of managers to adopt G-SCM practices. Clean Technol Environ Pol. 14(5):953–964.
- UNEP. 2012. The impacts of sustainable public procurement: eight illustrative case studies, United Nations Environmental Programe, Paris.
- van SoetDP. 2005. The impact of environmental policy instruments on the timing of adoption of energy-saving technologies. Resour Energy Econ. 27(3):235–247.
- VarnasA, BalforsB, Faith-EllC. 2009. Environmental consideration in procurement of construction contracts: current practice, problems and opportunities in green procurement in the Swedish construction industry. J Clean Prod. 17:2014–1222.
- WalkerH, BrammerS. 2009. Sustainable procurement in the United Kingdom public sector. Suppl Chain Manag. 14(2):128–137.