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Do changes in gross margin percentage provide complementary information to revenue and earnings surprises?

Author

Listed:
  • Camillo Lento
  • Naqi Sayed

Abstract

Purpose - – The purpose of this paper is to investigate the association between gross profit percentage, abnormal market returns, revenue surprises and earnings surprises. Gross margin is relied upon by various market participants, as its predictive power is incremental and distinct from revenue and earnings signals; however, gross margin has received little researcher attention. Design/methodology/approach - – General regression specifications found in the prior literature are extended to assess the informational content of changes in gross margin percentage. In addition, various portfolios are created based around the nature of the signals (positive or negative), provided by each income statement metrics (revenue, gross margin and earnings). A sample of 5,582 quarterly observations of S & P 500 firms is compiled. The main regressions are exposed to three robustness tests that focus on industry sub-groupings, institutional ownership and fourth-quarter observations. Findings - – The main findings reveal that gross margin percentage changes and earnings surprises are significantly related to abnormal market returns in the short window around the earnings announcement date and persist into a wider window measured as the quarter after the earnings announcement date. The relationship between gross margin percentage changes and abnormal returns is more pronounced when positive (negative) changes in gross margin percentage are accompanied by positive (negative) revenue and earnings surprises. Research limitations/implications - – This study relies upon S & P 500 firms which are all relatively large firms. Therefore, the results may not be generalizable to smaller firms. In addition, the gross margin change is measured as the quarter-over-quarter percentage change because there is no analyst expectation for gross margin. Originality/value - – This paper extends the prior literature by developing three testable hypotheses that investigate the linkages between abnormal market returns, gross margin and revenue and earnings surprises. This is the first known study to investigate the informational content of changes in gross margin percentage.

Suggested Citation

  • Camillo Lento & Naqi Sayed, 2015. "Do changes in gross margin percentage provide complementary information to revenue and earnings surprises?," Review of Accounting and Finance, Emerald Group Publishing Limited, vol. 14(3), pages 239-261, August.
    • Handle: RePEc:eme:rafpps:v:14:y:2015:i:3:p:239-261
    DOI: 10.1108/RAF-07-2014-0071
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    Citations

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    Cited by:

    1. Violeta Dimitrova, 2017. "Gross Margin and Buyer Power in Bulgarian Food Retailing," Economic Studies journal, Bulgarian Academy of Sciences - Economic Research Institute, issue 6, pages 172-188.
    2. Camillo Lento & Julie Cotter & Irene Tutticci, 2016. "Does the market price the nature and extent of earnings management for firms that beat their earnings benchmark?," Australian Journal of Management, Australian School of Business, vol. 41(4), pages 633-655, November.

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