Joint audit engagements and client tax avoidance: evidence from the italian statutory audit regime

Pietro A. Bianchi, Diana Falsetta, Miguel Minutti-Meza, Eric Weisbrod

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Under the Italian statutory audit regime, three individual accountants are jointly appointed to audit each client’s annual financial statements and sign off on the tax return. These individuals can belong to the same or different accounting firms and through multiple and repeated collaborations they form a professional network. We use network measures of centrality to capture individuals’ ability to acquire and apply tax expertise across clients. We demonstrate that clients engaging better-connected individual auditors have comparatively lower effective tax rates. Our results are robust to controlling for a number of client, individual, and accounting firm characteristics, as well as for alternative network connections between clients. We also use instrumental variables, individual fixed effects, and matching to mitigate the effect of endogenous pairing of clients and auditors. Our findings demonstrate that in a joint audit environment, individual auditor professional networks have consequences for tax outcomes.

Original languageEnglish (US)
Pages (from-to)31-58
Number of pages28
JournalJournal of the American Taxation Association
Issue number1
StatePublished - Mar 1 2019


  • Auditor networks
  • Auditor tax expertise
  • Social network analysis
  • Tax avoidance

ASJC Scopus subject areas

  • Accounting
  • Finance


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