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Measurement and relevance of the shadow economy in the European Union
Lippe, Peter von der, (2011)
Lippe, Peter von der, (2009)
Cross-National Variations in Undeclared Work : Results from a Survey of 27 European Countries
Williams, Colin C., (2013)
Evaluating competing theories of the shadow economy : some lessons from an English locality
Williams, Colin C., (2010)
Consumer services and economic development
Williams, Colin C., (1997)
The new barter economy : an appraisal of Local Exchange and Trading Systems (LETS)
Williams, Colin C., (1996)