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This study aims to investigate the moderating effect of equity-based compensation on the sources of book-tax differences. The authors investigate whether equity-based compensation affects the association between book-tax differences and tax planning, and the association between book-tax differences and earnings management.

The authors use a sample of 9,024 firm-year observations (913 firms) spanning the period 1992-2011, obtained from ExecuComp and Compustat. They estimate cross-sectional regressions of the proxy for tax planning, discretionary accruals and their interactions with equity-based compensation on book-tax differences.

The authors find that tax planning-related book-tax differences increase as the equity-based pay of executives does, and that earnings management-related book-tax differences decrease as the equity-based pay of executives increases. The results are robust across three alternative measures of tax planning.

Equity-based compensation plays an important role in managerial discretion on tax planning and earnings management. The findings suggest that, although equity incentives promote a high level of both tax planning and earnings management, they motivate managers to constrain the level of earnings management to avoid larger book-tax differences.

The purpose of this paper is to investigate the relationship between book‐tax differences and earnings quality for commercial banks in Taiwan. The paper focuses on the banking industry because industry‐specific accrual models of accounting discretion in the loan loss provisions are available to develop powerful tests of earnings management related to book‐tax differences. In addition, the paper replicates the analysis of book‐tax differences that previous studies conducted on a heterogeneous sample of nonfinancial firms, to ascertain whether prior inferences also hold in the study's sample of banks in an emerging economy.

This paper estimates the magnitude of discretionary loan loss provisions as a proxy for earnings quality (positively correlated with earnings management; therefore, inversely correlated with earnings quality). Then, the study partitions the sample into three subsamples (large positive book‐tax differences, large negative book‐tax differences, and small book‐tax differences) to set the regression models.

This paper finds that bank‐years with large positive or negative temporary book‐tax differences have discretionary loan loss provisions that are greater than bank‐years with small temporary book‐tax differences. The paper also finds that bank‐years with large temporary book‐tax differences have one‐year‐ahead persistence of current earnings and accruals that are less than those with small temporary book‐tax differences. Additionally, the study does not find a significant relation between permanent book‐tax differences and earnings quality. Overall, the evidence is consistent with the supposition that large temporary book‐tax differences are associated with lower earnings quality.

The study contributes to the literature on book‐tax differences and earnings quality in two ways. First, the paper provides evidence to ascertain prior inferences that the association between book‐tax differences and earnings quality also hold in the banking industry, it may generalize to the banking sector in other emerging countries. Second, the study utilizes a banking‐specific accrual model to construct more powerful tests of information in book‐tax differences for earnings quality. The study has an inherent limitation arising from small sample size of the banking industry in an emerging economy. Future tax accounting researchers should develop appropriate country‐specific measures of book‐tax differences.

The study focuses on the banking industry because industry‐specific accrual models of accounting discretion in the loan loss provisions are available to develop powerful tests of earnings management related to book‐tax differences. In addition, the study replicates the analysis of book‐tax differences that previous studies conducted on a heterogeneous sample of nonfinancial firms, to ascertain whether prior inferences also hold in the sample of banks in an emerging economy.

This chapter proposes that tax education, proxied by Master of Science in Taxation (MST) degree, has substantial influence on chief financial officers’ (CFOs) knowledge, skill sets, values, and cognitive preferences and further influences their decisions in tax reporting. By empirically examining the relation between CFOs with MST degree and their companies' tax compliance based on US data between 2004 and 2016, we find that CFOs with MST degree are associated with improved tax compliance, suggesting that US MST education, beyond general accounting education, cultivates graduates with higher levels of professionalism and ethics in the field of taxation. Moreover, we find that CFOs' tenure, age, and compensation influence the relation between tax education and tax compliance, suggesting company's compensation and employee policies influence executives' tax decisions. Finally, we find that pressures from financial reporting and CEOs with accounting educational background could alleviate the role of CFOs with accounting educational background in tax reporting, while institutional owners could strengthen the role of CFOs. This chapter provides evidence regarding the social implication of MST program and has important managerial implication to tax compliance, executive recruitment, and corporate governance.

The purpose of this paper is to investigate the direct and indirect links between book-tax differences (BTDs) and audit quality using accounting conservatism (proxy of earnings quality). Hence, this paper seeks to extend prior audit quality research.

This study uses a sample of Tunisian listed firms on the Tunis Stock Exchange and operating in the industrial and commercial sectors during 2005-2012. This investigation is motivated by structural equations system models that specify both a direct link and an indirect link that is mediated by information reflected in BTDs.

The results show that for the Tunisians companies, firms with large BTDs are associated with higher audit quality implies that such BTDs represent an observable proxy for earnings quality that affects auditor decisions. The authors find statistically an indirect link between abnormal BTDs and audit quality that is mediated by earnings quality. The current study also provides evidence that information reflected in BTDs can improve audit quality.

The findings may be of interest to the academic researchers, practitioners and regulators who are interested in discovering the informational value of BTDs in the audit process.

This paper extends the existing literature by examining the mediation effect of information reflected in BTDs on relationship between BTDs and audit quality.

This study aims to examine whether tax avoidance is associated with overinvestment and the moderating role of financial reporting quality on such association in Italian private firms.

This study uses a multivariate regression analysis based on a sample consisting of 65,535 firm-year observations between 2015 and 2022.

Results show that tax avoidance is positively associated with overinvestment and that such relation is weaker for firms with a higher financial reporting quality than for firms with a lower financial reporting quality. Furthermore, findings hold to a wide range of robustness checks, including alternative measures of main variables, endogeneity and falsification tests.

Since this study focuses on the Italian private firms, the results cannot be extensively generalized.

As this study highlights the importance of tax avoidance on overinvestment, it can be particularly beneficial for managers, policymakers and other parties interested in assessing factors that lead to a capital allocation in less efficient investments.

This study provides novel evidence about the role of tax avoidance on overinvestment in private firms by mitigating the little attention of prior research in this area. It examines the Italian setting that is particularly of interest given the relevance of private firms in such context and the incentives of managers to reduce the tax burden.

The purpose of this paper is to empirically explore whether and to what extent the changes in state corporate income tax rates affect corporate tax aggressiveness.

Using a differences-in-differences approach with dynamic treatment, the authors investigate the effect of staggered changes in state corporate income tax rates in the USA on corporate tax aggressiveness.

Firms become more aggressive in avoiding taxes following state tax increases but are insensitive to tax cuts. The effect of state tax increases on tax aggressiveness is weaker for firms with greater debt tax shields and marginal tax rates. Firms are more likely to shift their operations and relocate their headquarters out of states experiencing tax increases.

To the best of the authors' knowledge, this paper is the first to study the relation between state tax policy changes and corporate tax aggressiveness. This paper finds an asymmetrical pattern of corporate tax aggressiveness in response to state tax changes.

The purpose of this paper is to investigate whether the special items (SI) mispricing reported in Burgstahler et al. is distinct from the accruals (ACC) mispricing documented in Sloan.

This paper employs the control hedge‐portfolio test, non‐overlap hedge‐portfolio test, and regression analysis to determine whether the SI anomaly is distinct from the ACC anomaly. In addition, the Mishkin test is used to examine the impact of SI on the ACC anomaly.

This paper has four main findings. First, one‐year‐ahead abnormal returns to the special‐items‐based hedge portfolio are much diminished when holding ACC constant, whereas those to the ACC‐based hedge portfolio remain significantly positive when holding SI constant. Second, the special‐items‐based hedge portfolio loses much of its ability to earn future abnormal returns without the help of extreme ACC, whereas the ACC‐based hedge portfolio remains profitable without the help of extreme SI. Third, SI are no longer negatively associated with future abnormal returns after controlling for ACC, whereas ACC remain negatively associated with future abnormal returns after controlling for SI. Finally, SI affect the extent to which the market overprices ACC, with negative (positive) SI aggravating (alleviating) ACC overpricing.

This is the first paper to show that the SI anomaly is dependent on the ACC anomaly.

This study examines short selling as one external determinant of corporate tax avoidance. Prior research suggests that short sellers have information advantages over retail investors, and high short-interest levels are a bearish signal of targeted stock prices. As a result, when short-interest levels are high, managers have been shown to take actions to minimize the negative effect of high short interest on firms’ stock prices. Tax-avoidance activities may convey a signal of bad news (i.e., high stock price crash risk). We predict that, when short-interest levels are high, managers possess incentives to reduce firm tax avoidance in order to reduce the associated stock price crash risk. Consistent with this prediction, we find that short interest is negatively associated with subsequent tax-avoidance levels. This effect is incremental to other factors identified by prior research. We conclude that short selling significantly constrains corporate tax avoidance.

This study aims to use research setting provided by the implementation of Financial Accounting Standards Board Interpretation 48 (FIN48) to help develop a further understanding of large positive book–tax differences (LPBTD) and their relationship with earnings persistence. Extant literature indicates that the tax information provided in financial statements, such as large book–tax differences, is useful for detecting earnings management and signals less persistent future earnings. However, more information is needed about the causes of large book–tax differences and their abilities to signal the differences in earnings persistence (Blaylock et al., 2012).

In the first step, temporary book–tax differences are ranked by quintiles based on the approach in Hanlon’s (2005) study and the highest quintile in the sample observations are designated as large positive temporary book–tax differences (LPBTD). In the second step, differences in the persistence of earnings for high tax-planning firms as measured by UTB_NonETR are searched for. In further testing, an ordered logistic model and the Vuong (1989) test are applied to compare both the incremental and the relative ability of UTB_NonETR and Cash-ETR to explain the ranking order of temporary book–tax differences.

The negative relation between temporary differences and earnings persistence is moderated by the level of tax planning as measured by UTB_NonETRs. More specifically, the persistence of earnings appears to be higher for firm-years with large UTB_NonETRs. When comparing the relative power of UTB_NonETR with Cash-ETR, the results indicate that UTB_NonETR is incrementally useful for explaining the ranking orders of temporary book–tax differences. However, it appears that neither UTB_NonETR nor Cash-ETR is relatively more useful over another under the Vuong (1989) test.

First, the part of UTB, if recognized, that would not affect earnings (UTB_NonETR) is used as an empirical proxy and its usefulness is tested in the context of book–tax differences and the persistence of earnings. Second, new evidence is provided supporting the predictions, as in Ayers’ et al. (2010) and Blaylock et al.’s (2012) studies, that the level of tax planning will attenuate the negative association between large book–tax differences and earnings quality. Third, the findings can contribute to the post-implementation review of FIN48 (Financial Accounting Foundation, 2012) supporting the argument that FIN48 can provide decision-useful information for financial statement users.

This study investigates the gap between financial accounting income and taxable income (i.e. book‐tax difference) and the value relevance of corporate taxable income in providing information on the quality of reported earnings for Malaysian listed firms during the tax years 2000 to 2004. The large gap between the financial accounting income and taxable income resulting from tax planning activities is reflected in firms’ effective tax rates (ETRs), a proxy for firms’ actual tax burdens. Thus, lower ETRs indicate high tax planning activities undertaken by the sample firms, and vice‐versa for firms with higher ETRs. This study uses a tax‐based earnings quality indicator, that is, the ratio of after‐tax taxable income to reported income (ATTI) to investigate the quality of corporate earnings. The study provides empirical evidence that firms report higher financial accounting income to shareholders and lower taxable income to tax authorities during the years 2000 to 2004. The significant and positive relation statistical results between firms’ after‐tax taxable income (ATTI) and market value of equity provided indicate the value relevance of taxable income as both an earnings quality indicator and a performance measure. Thus, the empirical results suggest investors appear to fully comprehend the quality‐related information in taxable income. This study concludes that first, tax planning activities contribute to a large gap between financial accounting income and taxable income; and second, taxable income contains useful information on the quality of reported earnings.