The relation between stock returns and EVA, residual income, mandated performance measures: a empirical study applied to Brazilian companies with open capital / A relação do retorno das ações com o EVA, com o lucro residual e com as medidas contábeis tradicionais: um estudo empírico aplicado às empresas brasileiras de capital aberto

AUTOR(ES)

Andrea Salvi

DATA DE PUBLICAÇÃO

2007

RESUMO

The huge propagation of the EVA® (Economic Value Added) concept allows companies to use this performance measure to prove how much value was added for the owners. These companies hope positive EVA®s increase firm values in the market. In this direction, some studies prove a strong association between EVA® and stock returns, confirming that the positive EVA® valorizes companies in the market (Felthan et al, 2004; Silveira et al, 2004). However, when analyzing mandated performance measures, such as earning and operate cash flow, there is a strong association between these measures and the stock returns, and a weak association between EVA® and stock returns (Biddle et al, 1997). At this study, Biddle et al study was applied to all of no-financial companies with open capital listed at Bovespa, from 1997 to 2006. Earning, operate cash flow, EVA® and residual income (EVA® without accounting adjustments) were verified, and the association between these measures and Brazilian company stock returns was analyzed. The influence of accounting adjustments in the explanation of stock returns was analyzed too, in the same period of time. The tests of fixed effect regression and random effect regression for the samples with independent, adjusted and non-adjusted variables showed that the explanation power, measured by r-square, found in the tests, was very low. This result got closer to the results presented by Biddle et al, which did not allow clearly stating how much the economic value and accounting measures explain the stock returns. In the other hand, this result got far from the results presented by Silveira et al, which could prove that Brazilian market has some efficiency in its semistrong-form.

ASSUNTO(S)

earnings retorno das ações ajustes contábeis valor econômico adicionado eva accounting adjustments residual income fluxo de caixa. operate cash flow lucro contábil stock returns

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