1. Expert Panel on effective ways of investing in Health (EXPH): Report on Typology of health policy reforms and framework for evaluating reform effects. European Union, Brussels (2016)
2. Maynard, A.: The Public-Private Mix for Health. CRC Press, London, The Nuffield Trust (2005)
3. Economic and Finances Committee: Public expenditure on health: its growing importance, drives and policy reforms to curb growth. European Union, Brussels (2013)
4. Pascual, M., Cantarero, D., Lanza, P.: Health polarization and inequalities across Europe: an empirical approach. Eur. J. Health Econ. (2018). https://doi.org/10.1007/s10198-018-0997-8
5. Yfantopoulos, P., Yfantopoulos, J.: The Greek tragedy in the health sector: social and health implications. Virteljiahrshefer zur Wirtschaftsforforschung DIW Berlin 84, 165–182 (2015)