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This study investigated the accuracy of combinations of statistical and judgmental forecasts of annual accounting earnings. Combined forecasts were generated as equally weighted (i.e., simple averages) and unequally weighted combinations of individual forecasts from time‐series models of quarterly and annual earnings (statistical forecasts) and security analysts' forecasts of quarterly and annual earnings (judgmental forecasts). The effect of the number of individual forecasts combined on the accuracy of the combined forecasts was also examined. The empirical results indicated that, on the average, combined forecasts were more accurate than individual forecasts. The results also indicated that although analysts' forecasts are based on a wider information set, the accuracy of their forecasts could be improved by combining them with forecasts generated from statistical models. Even if the best individual forecast could be identified in advance, gains in accuracy could be achieved by using combinations of two other forecasting methods. Several of the combined forecasts were superior to the most accurate individual forecast. Forecasts combined by using unequal weights derived from a regression model proved more accurate than equally weighted combinations. Forecasting accuracy improved and the variability of accuracy across different combinations decreased as the number of forecasts in the combination increased.

This study examines the association between firms' tax avoidance and long-term investments. We find that tax avoidance firms make greater investment than nontax avoidance firms, and that the positive association between tax avoidance and investments holds both for firms that are financially constrained, and therefore ex-ante likely to underinvest, and for financially unconstrained firms that are ex-ante more likely to overinvest. Our results further show that CEO equity incentives and governance strength exert an incremental effect on investment decisions of tax avoidance firms. In additional analyses, we demonstrate that tax avoidance firms' investments are associated with improved future firm performance especially when those firms are ex-ante more likely to underinvest. For tax avoidance firms that are ex-ante more likely to overinvest, current investments are associated with declined future firm performance. Tax avoidance firms have higher (lower) investment efficiency in terms of improved (declined) operating profitability in the post-investment period when they have lower (higher) CEO equity incentives and stronger (weaker) governance. Overall, our results shed light on efficiency in utilizing the available cash through tax avoidance in long-term investments that might create shareholder value for a group of financially constrained firms but diminish shareholder value for another group of financially unconstrained firms.