Are financial markets efficient? There are multiple tests for answering this question. Forming a hypothesis and testing should be done before looking at the data, i.e. without data snooping. However, the parameters used in the tests of the efficient market hypothesis are often not decided...

The usual design-unbiased estimators in adaptive cluster sampling are easy to compute but are not functions of the minimal sufficient statistic and hence can be improved. Improved unbiased estimators obtained by conditioning on sufficient statistics-not necessarily minimal-are described. First,...

This research paper examines the predictability power on future stock returns by employing the concept of Bayesian Model Averaging (BMA). The sample focuses on Stock Exchange of Thailand (SET) over 2001-2011. Predictors for return predictability contain financial information which are dividend...