Measuring the Invisible: An Overview of and Outlook for Tax Non-Compliance Estimates and Measurement Methods for Switzerland

Measuring the Invisible: An Overview of and Outlook for Tax Non-Compliance Estimates and Measurement Methods for Switzerland

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Summary This paper gives an overview of tax non-compliance estimates and evaluates the suitability of various apac1/60/1/cw tax non-compliance measurement methods for Switzerland.The existing estimates for Switzerland focus strongly on non-declared assets and are based on a limited number of measurement methods.Nevertheless, the estimates range widely, between CHF 106 to over 500 billion for non-declared assets and 12.6 to 35.1 percent for income, for the time period 1970 to today.

These estimates could be taken as a starting point for further tax non-compliance research.They should however be verified and supplemented by estimates resulting from other methods as a solid measurement of biomat for sale tax non-compliance requires a comprehensive approach including several methods.Further, the focus should shift from non-declared assets towards non-declared income.