Abstract
The objective of this study is to assess the extent to which previously documented cross-sectional differences in stock market responses to earnings announcements are associated with firms' in-place voluntary accounting method choices. The possibility that managers may manage reported earnings via the choice of accounting policies provides a motivation for the study. Some conjectures about differences in “noise” in earnings signals generated under alternative accounting methods are developed and tested by estimating firm-specific earnings response coefficients. Both individual method choices (e.g., LIFO versus FIFO) and accounting method portfolios (conservative versus liberal sets of depreciation, inventory, and investment tax credit accounting alternatives) are examined. Overall there is little empirical support for the proposition that voluntary accounting method choices have a pervasive first-order effect on stock market reactions to earnings announcements.
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