20251110 Estimating Tax Evasion in Europe Image 01

High-resolution close-up of a thick stack of €50 banknotes resting on a dark surface with one side cast in shadow. The dramatic half-shade highlights themes of concealment, informal cash holdings and unreported income — making this image ideal for articles, reports or blog posts about Tax Evasion Survey Methods, financial compliance, auditing, and research design. Use it as a header or cover image to illustrate survey techniques, questionnaire discussions, data collection challenges, or analyses of undeclared earnings and tax avoidance behaviors.