Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/200284 
Erscheinungsjahr: 
2017
Schriftenreihe/Nr.: 
IFS Working Papers No. W17/24
Verlag: 
Institute for Fiscal Studies (IFS), London
Zusammenfassung: 
Understanding tax non-compliance and the effectiveness of strategies to tackle it is crucial for a modern tax authority. In this paper we study how and why audits impact reported tax in the years after audit - the dynamic effect - for individual income taxpayers. We exploit data from a random audit program covering almost 35,000 income tax self assessment returns in the UK. We show that audits raise reported tax liabilities for at least ve years after audit, with the magnitude of the impact declining over time. In total this raises an additional £1, 230 per audited individual in the fi ve years after audit, 1.5 times the direct revenue raised from the audit. Looking by income source, we see that the magnitude of the initial impact is lower for income components which are third party reported, and the impact declines more quickly for components that are more volatile. We develop a model to allow us to distinguish different mechanisms that might explain the presence of dynamic effects, and show our fi ndings can only be explained by audits providing improved information to the tax authority.
Schlagwörter: 
tax audits
tax revenue
tax reporting decisions
income tax
self assessment
HMRC
JEL: 
D04
H26
H83
Dokumentart: 
Working Paper

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