2. Cameron, A. C., Trivedi, P. K. (2005), Microeconometrics: Methods and Applications, Cambridge University Press, Cambridge.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1017/CBO9780511811241" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1017/CBO9780511811241</a></dgdoi:pub-id>
3. Chong, A., Gradstein, M. (2007), “Inequality and informality”, Journal of Public Economics, Vol. 91, No. 1-2, pp. 159-179.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.jpubeco.2006.08.001" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.jpubeco.2006.08.001</a></dgdoi:pub-id>
4. Daude, C., Melguizo, A. (2010), “Taxation and More representation? On Fiscal Policy, Social Mobility and Democracy in latin America”, OECD Development Centre Working Paper 294, OECD, Paris.
5. Franić, J., Williams, C. C. (2017), “Illegitimate Economic Practices in Croatia”, GREY Working Paper No. 9, Sheffield University Management School, University of Sheffield, Institute of Public Finance, Zagreb, 2017.
6. Hug, S., Sporri, F. (2011), “Referendums, trust, and tax evasion”, European Journal of Political Economy, Vol. 27, No. 1, pp. 120-131.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ejpoleco.2010.06.005" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ejpoleco.2010.06.005</a></dgdoi:pub-id>
7. Kogler, C., Batrancea, L., Nichita, A., Pantya, J., Belianin, A., Kirchler, E. (2013), “Trust and power as determinants of tax compliance: Testing the assumptions of the slippery slope framework in Austria, Hungary, Romania and Russia”, Journal of Economic Psychology, Vol. 34, pp. 169-180.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.joep.2012.09.010" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.joep.2012.09.010</a></dgdoi:pub-id>
8. Lago-Peñas, I., Lago-Peñas, S. (2010), “The determinants of tax morale in comparative perspective: Evidence from European countries”, European Journal of Political Economy, Vol. 26, No. 4, pp. 441-453.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ejpoleco.2010.06.003" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ejpoleco.2010.06.003</a></dgdoi:pub-id>
10. Mallick, D. (2009), “Marginal and Interaction Effects in Ordered Response Models”, MPRA Paper No. 1332, Munich Personal RePEc Archive, January 2009.
11. Martínez-Vázquez, J., Torgler, B. (2009), “The evolution of tax morale in modern Spain”, Journal of Economic, Vol. 43, No. 1, pp. 1-28.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.2753/JEI0021-3624430101" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.2753/JEI0021-3624430101</a></dgdoi:pub-id>
13. Nerré, B., Dragojlović, A., Randjelović, S., Djenić, M. (2014), “Tax Reform in Serbia: experiences and perspectives”, in proceedings of the Tax Reforms: Experiences and Perspectives Conference, Institute of Public Finance, Zagreb, pp. 79-96.
14. Nichita, R. (2015), “Is tax literacy impacting on tax behavior?”, Collaboration in complex system, Bucharest: Romanian Foundation for Business Intelligence Seaopenresearch, available on <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://seaopenresearch.eu/Proceedings/Article/NORD2_5.pdf">http://seaopenresearch.eu/Proceedings/Article/NORD2_5.pdf</ext-link> (07 December 2018)
16. Ristovska, M., Mojsoska-Blaževski, N., Nikolov, M. (2013), “An alternative view to the tax evasion: The effect of tax morale on paying taxes in Macedonia and EU countries”, Serbian Journal of Management, Vol. 8, No.2, pp. 169-183.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.5937/sjm8-3776" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.5937/sjm8-3776</a></dgdoi:pub-id>
18. Rubin, D. B. (1987), Multiple Imputation for Nonresponse in Surveys, John Wiley & Sons, Inc., New York.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1002/9780470316696" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1002/9780470316696</a></dgdoi:pub-id>
19. Schafer, J. L., Graham, J. (2002), “Missing data: our view of the state of the art”, Psychological Methods, Vol. 7, No. 2, pp. 147-177.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1037/1082-989X.7.2.147" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1037/1082-989X.7.2.147</a></dgdoi:pub-id>
21. Schneider, F. (2017), “Estimating the Size of the Shadow Economies of Highly-developed Countries: Selected New Results”, CESifo DICE Report, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, Vol. 14, No. 4, pp. 44-53.
23. Torgler, B. (2004), “Tax morale in Asian countries”, Journal of Asian Economics, Vol. 15, No. 2, pp. 237-266.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.asieco.2004.02.001" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.asieco.2004.02.001</a></dgdoi:pub-id>
24. Torgler, B. (2005a), “Tax morale and direct democracy”, European Journal of Political Economy, Vol. 21, No. 2, pp. 525-531.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ejpoleco.2004.08.002" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ejpoleco.2004.08.002</a></dgdoi:pub-id>
25. Torgler, B. (2005b), “Tax morale in Latin America”, Public Choice, Vol. 122, No. 1-2, pp. 133-157.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1007/s11127-005-5790-4" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1007/s11127-005-5790-4</a></dgdoi:pub-id>
26. Torgler, B., Schaltegger, C. A. (2005), “Tax Morale and Fiscal Policy”, Working Paper No. 2005–30, Center for Research in Economics, Management and the Arts.
27. Torgler, B. (2006), “The importance of faith: tax morale and religiousity”, Journal of Economic Behavior & Organization, Vol. 61, No. 1, pp. 81-109.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.jebo.2004.10.007" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.jebo.2004.10.007</a></dgdoi:pub-id>
29. Torgler, B., Schneider, F. (2009), “The impact of tax morale and institutional quality on the shadow economy”, Journal of Economic Psychology, Vol. 30, No. 2, pp. 228-245.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.joep.2008.08.004" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.joep.2008.08.004</a></dgdoi:pub-id>
30. Torgler, B. (2012), “Tax Morale, Eastern Europe and European Enlargement”, Communist and Post-Communist Studies, Vol. 45, No. 1-2, pp. 11-25.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.postcomstud.2012.02.005" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.postcomstud.2012.02.005</a></dgdoi:pub-id>
31. Tsakumis, G. T., Curatola A. P., Porcano T. M. (2007), “The relation between national cultural dimensions and tax evasion”, Journal of International Accounting, Auditing and Taxation, Vol. 16, No. 2, pp. 131-147.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.intaccaudtax.2007.06.004" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.intaccaudtax.2007.06.004</a></dgdoi:pub-id>
32. Wenzel, M. (2005a), “Misperceptions of social norms about tax compliance: From theory to intervention”, Journal of Economic Psychology, Vol. 26, No. 6, pp. 862-883.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.joep.2005.02.002" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.joep.2005.02.002</a></dgdoi:pub-id>
34. Williams, C. C., Franić, J., Dzekova, R. (2014), “Explaining the undeclared economy in Bulgaria: an institutional asymmetry perspective”, The South East European Journal of Economics and Business, Vol. 9, No. 2, pp. 33-45.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.2478/jeb-2014-0008" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.2478/jeb-2014-0008</a></dgdoi:pub-id>
35. Williams, C. C., Franić, J. (2015), “Tackling the Propensity towards Undeclared Work: Some Policy Lessons from Croatia”, The South East European Journal of Economics and Business, Vol. 10, No. 1, pp. 18-31.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1515/jeb-2015-0003" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1515/jeb-2015-0003</a></dgdoi:pub-id>
36. Williams, C. C., Horodnic, I.A. (2016a), “An institutional theory of the informal economy: some lessons from the United Kingdom”, International Journal of Social Economics, Vol. 43, No. 7, pp. 722-738.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1108/IJSE-12-2014-0256" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1108/IJSE-12-2014-0256</a></dgdoi:pub-id>
37. Williams, C. C., Kayaoglu, A. (2016b), “Tackling the Informal Economy in the European Union: A Social Actor Approach”, UTMS Journal of Economics, Vol. 7, No. 2, pp. 133-147.
38. Williams, C. C., Franić, J. (2017), “Tackling the illegitimate under-reporting of salaries in Southeast Europe: some lessons from a 2015 survey in Bulgaria, Croatia and FYR Macedonia”, Eastern Journal of European Studies, Vol. 8, No. 1, pp. 5-28.
39. Williams, C. C., Bezeredi, S. (2018), “Explaining and tackling the informal economy: a dual informal labour market approach”, Employee Relations, Vol. 40, No. 5, pp. 889-902.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1108/ER-04-2017-0085" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1108/ER-04-2017-0085</a></dgdoi:pub-id>
40. Windebank, J., Horodnic, I. A. (2017), “Explaining participation in undeclared work in France: lessons for policy evaluation”, International Journal of Sociology and Social Policy, Vol. 37, No. 3-4, pp. 203-217.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1108/IJSSP-12-2015-0147" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1108/IJSSP-12-2015-0147</a></dgdoi:pub-id>