Cost of debt capital and audit in Spanish SMEs

What is it about?

Evidence about the effect of voluntary audits on the cost of debt is mixed, and there is no research about the effects of mandatory audits and the non-compliance with the audit requirement. Using a sample of Spanish SMEs, where some companies are exempt from audit and some are mandatorily audited, we examine if audits, either mandatory or voluntary, help to reduce the cost of debt.

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Why is it important?

We do not find a significant association between voluntary audits and cost of debt, whereas companies that breach the audit requirement have a higher cost of debt than the mandatorily audited ones. This suggests that differences in the cost of debt between audited and unaudited companies are associated with a “punishment” for companies that shun the mandatory audit rather than a “reward” for voluntarily audited companies. Moreover, within audited SMEs, we do not find that those audited by large auditors have a lower cost of debt.