TY - JOUR T1 - Evaluating the participation of the self-employed in undeclared work: some evidence from a 27-nation European survey JO - International Entrepreneurship and Management Journal PY - 2011/01/01 AU - Williams CC AU - Nadin S AU - Baric M ED - SP - 1 EP - 16 Y2 - 2025/03/12 ER -