Econometric Aspects of the Variance-Bound Tests: A Survey

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Abstract
We survey the variance-bounds tests of asset-price volatility, stressing the econometric aspects of these tests. The first variance-bounds tests of the present-value relation reported apparently striking evidence of excess volatility of asset prices. The statistical significance of the results, however, was either marginal or, in the case of model-free tests, impossible to assess. Moreover, the tests were soon criticized for a number of biases. Various other tests of the present-value relations were later developed, avoiding in different degrees the econometric problems attending the first-generation tests also found excess volatility, though sometimes of borderline statistical significance. This finding of excess volatility is robust and is difficult to explain within the representative-consumer, frictionless-market model. Article published by Oxford University Press on behalf of the Society for Financial Studies in its journal, The Review of Financial Studies. (This abstract was borrowed from another version of this item.)
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