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The Accounting Review Vol. 84 No. 6 2009

Auditor Conservatism and Investment Efficiency

Tong Lu1; Haresh Sapra2

1 University of Houston · 2 The University of Chicago

open access

Abstract

We develop a theoretical framework to investigate (1) both the determinants and the consequences of auditor conservatism in a capital market setting and (2) the implications of Section 201 of the Sarbanes-Oxley Act for auditor conservatism and investment efficiency. We derive three primary results. First, by adjusting the mix of audit and nonaudit fees, companies with high business risk induce auditor conservatism, while companies with low business risk induce auditor aggressiveness. Second, if auditor conservatism is in force, a greater client pressure on auditors improves audit quality; but if auditor aggressiveness is in force, a greater client pressure on auditors impairs audit quality. Third, the nature of a firm's investment inefficiency (overinvestment or underinvestment) depends on its auditor's attestation (conservative or aggressive). Our analysis also implies that a mandatory restriction of nonaudit services imposed by Section 201 may decrease audit quality and damage investment efficiency.

DOI
10.2308/accr.2009.84.6.1933
Volume
84
Issue
6
Pages
1933-1958
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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