1. Alesina, A., & Perotti, R. (1994). The political economy of budget deficits. IMF Working Paper, WP/94/85.
2. Ardy, B., Begg, I., Schelke, W. & Torres, F. (2002). EMU and its impact on cohesion: policy challenges. EMUCO project report, http://www.lsbu.ac.uk/euroinst/documents/emuco.pdf
3. Baldwin, R.E., Berglof, E., Giavazzi, F. & Widren, M. (2001). Nice try: should the treaty of nice be ratified? Monitoring European Integration, 11, June. London: Centre for Economic Policy Research.
4. Bertola, G. & Drazen, A. (1993). Trigger points and budget cuts: explaining the effects of fiscal austerity. American Economic Review, 83(1): 11–26.
5. CEPR Discussion Paper;L. Boone,1999