The purpose of this paper is to explore the answers to several questions raised by the fact that econometrics in theory is not the same as econometrics in practice. An obvious question is why econometrics in theory differs from econometrics in practice. The simple answer is that the benefits...

This study points out that changes in the format of the playoffs in the National Basketball Association have had the effect of lengthening the championship series and reducing the variance in the length of the series. These are valuable goals for the organization because they provide higher...

This paper describes the problem specification searches pose for inference, presents the results of some simulations for purposes of illustration, and uses the bootstrapping procedure to give a better estimate of statistical significance than a standard t-test. The value of the illustrations of...