1. Arrow, K.J. (1965). Aspects of the Theory of Risk-Bearing, Yrjö Johnsson Lectures, Säätiö, Helsinki Y.J.
2. Eisen, R., Müller, W., & Zweifel, P. (1993). Entrepreneurial insurance: a new paradigm for deregulated markets. Geneva Papers on Risk and Insurance, 66, 3–56.
3. Eurostat database, European Commission. Accessed 2010.
4. Eurostat database, European Commission. Accessed 2019.
5. Giarini, O., & Stahel, W. (2000). Die Performance-Gesellschaft (The Performance Society). Marburg: Metropolis Verlag.