Abstract

http://ssrn.com/abstract=604528
 
 

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Book versus Taxable Income


Frank Heflin


Florida State University - College of Business

William Kross


State University of New York at Buffalo - Department of Accounting

January 2005


Abstract:     
Income reported to shareholders (book income) and income reported to the U.S. Internal Revenue Service (taxable income) are alternative measures of U.S. corporate economic performance discussed in recent research, academic texts, and by U.S. legislators. In measuring economic performance, taxable income contains more 'mandated rule' error than book income because legislators generally write tax rules to raise revenue and motivate behavior and not specifically to measure performance. However, recent research suggests taxable income likely contains less 'managerial bias' error (i.e. error due to managers' biased application of rules) than book income. We decompose book income and taxable income into operating cash flows, book accruals, and tax accruals. We find that tax accruals have explanatory power for contemporaneous annual stock returns incremental to book accruals and operating cash flows, but that book accruals have relatively more explanatory power. However, the dominance of book accruals over tax accruals declines significantly and from 1997-2001, tax accruals explain returns as well as book accruals. In contrast to the conventional notion that low book relative to taxable income indicates high quality book income and vice versa, we find the opposite: tax accruals explain returns better than book accruals when the ratio of book to taxable income is low. Book losses partially, but do not fully, explain our results. Our results are relevant to policy debates concerning book-tax differences and to explanations for changes in the value relevance of book income during the 1990's.

Number of Pages in PDF File: 38

Keywords: taxable income, earnings, capital markets, financial reporting, earnings quality

JEL Classification: G12, G18, H25, K20, K34, M41, M43, M44

working papers series


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Date posted: October 15, 2004  

Suggested Citation

Heflin, Frank and Kross, William, Book versus Taxable Income (January 2005). Available at SSRN: http://ssrn.com/abstract=604528 or http://dx.doi.org/10.2139/ssrn.604528

Contact Information

Frank Heflin (Contact Author)
Florida State University - College of Business ( email )
Rovetta Business Building
Florida State University
Tallahassee, FL 32306-1110
United States
850-644-7862 (Phone)
850-644-8234 (Fax)
William Kross
State University of New York at Buffalo - Department of Accounting ( email )
Buffalo, NY 14260
United States
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