1. Algan, Y. & Cahuc, P. (2006). Civic attitudes and the design of labor market institutions: which countries can implement the Danish flexicurity model? Institute for the Study of Labor (IZA) Discussion Papers, No. 1928.
2. American Psychological Association. (2013). Psychological Effects of Unemployment and Underemployment. Retrieved from http://www.apa.org/about/gr/issues/socioeconomic/unemployment.aspx