We examine the relationship between managerial optimism and debt conservatism (i.e., the low-leverage puzzle). Our analysis demonstrates that optimistic tone, our time-varying optimism measure, significantly decreases leverage. This evidence supports the proposition that optimistic managers who consider external financing as unduly costly use debt conservatively. This reduced reliance on external financing can be explained by further evidence that optimistic tone significantly increases cash holdings and decreases dividend payment. The negative toneleverage relation is stronger in the presence of high insider purchase of own stocks, which confirms that optimistic tone reflects managerial optimism. This study suggests that managerial optimism can help explain the low-leverage puzzle.
We examine the impact of managerial overconfidence on corporate debt maturity. We build upon the argument that managerial overconfidence is likely to mitigate the underinvestment problem, which is often the major concern for long-term debt investors. Within this context, we hypothesise that managerial overconfidence increases debt maturity. Our empirical evidence, based on time-varying measures of overconfidence derived from computational linguistic analysis and directors' dealings in their own companies' shares, supports this hypothesis. Specifically, we find that the changes in both first person singular pronouns and optimistic tone are positively related to the change in debt maturity. Moreover, we find that the insider trading-based overconfidence of CEO, who is most likely to influence investment decision and thus the underinvestment problem, has a stronger impact on debt maturity than the overconfidence of other directors (e.g. CFO). Overall, our study provides initial evidence for a positive overconfidence-debt maturity relation via overconfidence mitigating the agency cost of long-term debt.
Some languages encode future timing more ambiguously than others. We identify two economic channels through which more ambiguous reference to future timing leads to higher levels of R&D investment. Our empirical tests on country-and firm-level R&D investment confirm this prediction, even after controlling for an extensive set of formal and informal economic institutions and addressing endogeneity concern in multiple ways. Tests on patent generation provide further evidence that ambiguous reference to future timing leads to more innovation.
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