Autio, E. and K. Fu (2015). Economic and political institutions and entry into formal and informal entrepreneurship. Asia Pacific Journal of Management 32(1), 67–94.
Bernabè, S. (2002). Informal Employment in Countries in Transition: A conceptual framework.
Besim, M., T. Ekici, and G. P. Jenkins (2015). Informality in a micro economy: Measurement, composition and consequences. International Labour Review 154(3), 353–371.
- Chief Labor Inspectorate (2017). Report on the activities of the Chief Labor Inspectorate in 2016. Technical report, Chief Labor Inspectorate, Warsaw.
Paper not yet in RePEc: Add citation now
Dalla Valle, L. (2016). The use of official statistics in self-selection bias modeling. Journal of Official Statistics 32(4), 887–905.
Dybka, P., M. Kowalczuk, B. Olesiński, A. Torój, and M. Rozkrut (2019). Currency demand and MIMIC models: towards a structured hybrid method of measuring the shadow economy. International Tax and Public Finance 26(1), 4–40.
Ekici, T. and M. Besim (2018). Shadow price of working in the shadows: services industry evidence. Service Industries Journal 38(11-12), 708–722.
- European Commission (2007). Undeclared Work in the European Union. Special Eurobarometer 284. Technical Report October, European Commission, Brussels.
Paper not yet in RePEc: Add citation now
- European Commission (2014). Undeclared work in the European Union. Special Eurobarometer 402. Technical report, European Commission, Brussels.
Paper not yet in RePEc: Add citation now
- Flórez, L. A. and F. Perales (2016). Labour protection and informal work: A cross-national analysis of European countries, 2004–2012. International Labour Review 155(4), 623– 650.
Paper not yet in RePEc: Add citation now
Hazans, M. (2011). Informal Workers across Europe Evidence from 30 European Countries.
Heckman, J. (1979). Sample selection bias as a specification error. Econometrica 47(1), 153–161.
- Human Capital Balance (2017). Human Capital Balance. Technical report, PARP, BKL.
Paper not yet in RePEc: Add citation now
- ILO (2011). Statistical update on employment in the informal economy. (June), 1–28.
Paper not yet in RePEc: Add citation now
- ILO (2013). Manual for Measuring Informality: A Statisical Manual. Technical report, Geneva.
Paper not yet in RePEc: Add citation now
- Kim, J.-K. and Z. Ying (2018). Foreword to the special issue on data missing not at random. Statistica Sinica 28(4), 1651–1652.
Paper not yet in RePEc: Add citation now
Krasniqi, B. A. and C. C. Williams (2017). Explaining individual-and country-level variations in unregistered employment using a multi-level model: Evidence from 35 Eurasian countries. South East European Journal of Economics and Business 12(2), 61–72.
Lehmann, H. (2015). Informal Employment in Transition Countries: Empirical Evidence and Research Challenges. Comparative Economic Studies 57, 1–30.
- Marra, G. and R. Radice (2017). A joint regression modeling framework for analyzing bivariate binary data in r. Dependence Modeling 5(1), 268–294.
Paper not yet in RePEc: Add citation now
Meriküll, J. and K. Staehr (2010). Unreported Employment and Envelope Wages in MidTransition: Comparing Developments and Causes in the Baltic Countries. Comparative Economic Studies 52(4), 637–670.
- Pedersen, S. (2003). The Shadow Economy in Germany , Great Britain and Scandinavia. A measurement based on questionnaire surveys.
Paper not yet in RePEc: Add citation now
Petreski, M. (2018). Is Informal Job Experience of Youth Undermining their Labor-Market Prospects in Transition Economies? Open Economies Review 29(4), 751–768.
- Pfeffermann, D. and A. Sikov (2011). Imputation and estimation under nonignorable nonresponse in household surveys with missing covariate information. Journal of Official Statistics 27(2), 181–209.
Paper not yet in RePEc: Add citation now
- Porto, E. D. (2011). Audit , tax compliance and undeclared work. Public Finance Review 39(1), 75–102.
Paper not yet in RePEc: Add citation now
- Riddles, M. K., J. K. Kim, and J. Im (2016). A propensity-score-adjustment method for nonignorable nonresponse. Journal of Survey Statistics and Methodology 4(2), 215–245.
Paper not yet in RePEc: Add citation now
- Rubin, D. B. (1976). Inference and missing data. Biometrika 63(3), 581–592.
Paper not yet in RePEc: Add citation now
Schneider, F. (2002). The Size and Development of the Shadow Economies of 22 Transition and 21 OECD Countries.
Sikov, A. (2018). A brief reivew of approaches to non-ignorable non-response. International Statistical Review 86(3), 415–441.
- Statistics Poland (2015). Unregistered Employment in Poland in 2014. Technical report, Central Statistical Office, Demographic and Labour Market Surveys Department, Warsaw.
Paper not yet in RePEc: Add citation now
- Statistics Poland (2018). National accounts by institutional sectors and sub-sectors 2013–2016. Technical report, Statistics Poland, National Accounts Department, Warsaw.
Paper not yet in RePEc: Add citation now
- Sverchkov, M. (2008). A new approach to estimation of response probabilities when missing data are not missing at random. In Proceedings of the Survey Research Methods Section, pp. 867–874.
Paper not yet in RePEc: Add citation now
Tang, N. and Y. Ju (2018). Statistical inference for nonignorable missing-data problems: a selective review. Statistical Theory and Related Fields ISSN: 2(2), 105–133.
- Venn, D. (2008). Measuring Informal Employment in OECD Countries.
Paper not yet in RePEc: Add citation now
Wang, S., J. Shao, and J. kwang Kim (2014). An instrumental variable approach for identification and estimation with nonignorable nonresponse. Statistica Sinica 24(3), 1097–1116.
Wojtyś, M., G. Marra, and R. Radice (2018). Copula based generalized additive models for location, scale and shape with non-random sample selection. Computational Statistics & Data Analysis 127, 1–14.
Wojtys, M., G. Marra, and R. Radice (2016). Copula regression spline sample selection models: the R package SemiParSampleSel. Journal of Statistical Software 71(6).
- Wood, S. (2017). Generalized Additive Models: An Introduction with R (2 ed.). Chapman and Hall/CRC.
Paper not yet in RePEc: Add citation now