National Revenue Agency - Consumption of specific goods and services. Sources of income. Behavioral patterns that affect the degree of compliance with tax and social security legislation.

Center for Economic Development for The World Economic forum (Davos)Global competetiveness - аnnual survey held since 2008 among business leaders in Bulgaria

Bulgarian Industrial Capital Association - Impact of the minimum wage increase on employment and income in Bulgaira

Bulgarian Industrial Capital Association - Consultancy services within the project "Limitation and prevention of the informal economy" financed by Operational Programme Human Resources Development 2007-2013

Bulgarian National Bank - Mechanisms for pricing and wages in the non-financial sector in Bulgaria

Center for the Study of DemocracyNational survey on extortion and shadow economy

European Economic and Social Comittee (EESC) - Evaluating the effectiveness of EU policies in the field of small and medium-sized enterprises

National Revenue Agency- Monitoring study on tax compliance 

Ministry of Economy, Energy and Tourism - Assessing the competetiveness of the Bulgarian economy - Quality Index

Agency Economy - Survey among investors to identify key factors for investment projects realization in Southeast Europe. Part of the Microsoft Bulgaria's project, related to the competetiveness of the Bulgarian economy

PFC CSKAAttitudes towards the public offering of PFC CSKA shares