1. ALLINGHAM, M. G., and A. SANDMO. (1972). Income tax evasion: a theoretical analysis. Journal of Public Economics. Vol. 1, pp. 323-338. DOI: 10.1016/0047-2727(72)90010-210.1016/0047-2727(72)90010-2
2. ANNICCHIARICO, B., and C. CESARONI. (2016). Tax Reforms and the Under-ground Economy: A Simulation-Based Analysis. CEIS Research Paper. Vol. 14, pp. 1-43.
3. ARGENTIERO, A., and C. A. BOLLINO. (2015). Uncovering Unobserved Economy: A General Equilibrium Characterization. Metroeconomica. Vol. 66, pp. 306–338. DOI: 10.1111/meca.1207210.1111/meca.12072
4. BUEHN, A. (2011). The Shadow Economy in German Regions: An Empirical Assessment. German Economic Review. Vol. 13, pp. 275-290. DOI: 10.1111/j.1468-0475.2011.00557.x10.1111/j.1468-0475.2011.00557.x
5. CHAUDHURI, K., F. SCHNEIDER, and S. CHATTOPADHYAY. (2006). The size and development of the shadow economy: An empirical investigation from states of India. Journal of Development Economics. Vol. 80, pp. 428-443. DOI: 10.1016/j.jdeveco.2005.02.01110.1016/j.jdeveco.2005.02.011