Petrakis PE, Kostis PC, Valsamis DG. European Economics and Politics in the Midst of the Crisis; From the Outbreak of the Crisis to the Fragmented European Federation. New York and Heidelberg: Springer; 2013 pp. 270.

Petrakis PE, Valsamis DG. Entrepreneurship, Transaction Costs and Cultural Background. International Business Research. 2013;6:p55.

Petrakis P, Kostis P. Economic growth and cultural change. Journal of Socio-Economics. 2013;47:147-157.

Kostis PC, Kafka KI, Petrakis PE. Stabilization Programs, Growth, Debt and Current Account Deficit in European Union: A Probabilistic Analysis (1993‐2013). In: ; 2013.

Petrakis PE, Kostis PC. The Effects of Cultural Background and Knowledge Creation on Self-Employment and Entry Density Rates. Review of Economics & Finance. 2013;3.