Informality in Turkey, using various definitions, and despite the signs of a recent decline in certain segments of the economy, is widespread. The level of informality is not excessively high, however, taking into account Turkey's level of income. While firm non-registration is not very common,...

This paper explores the relationship between economic growth and informality and highlights the role of GDP growth and its composition in the level and evolution of informality, using country data from 1991 to 2019. The analysis reveals a weak relationship, although with important differences...

Acknowledgments -- Introduction -- The drivers of the informal economy -- Tax morale and informality in post-socialist contexts / Diana Traikova -- The many shades of the grey economy in Romania / Rodica Ianole-Colin, Colin Vâlsan, Elena Druic? -- Evaluating the perceptions and realities of...