This is a preview. Log in through your library . Abstract This paper provides a comprehensive survey of the econometrics of mean-variance efficiency tests. Starting with the classic F-test of Gibbons ...

A differentiation in the amount of inventory that a company has on hand and the amount that it has on the books can lead to signs of errors in recording or dishonest employees. Both have potentially ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Abstract: This paper studies analytic inference with several dimensions of clustering. In such setups, the commonly used variance formula has two drawbacks. First, it is not necessarily positive.

Facilities that focus on manufacturing and production track two kinds of costs: fixed costs and variable costs. The variable costs are those that change when production levels change: raw materials, ...

The Journal of Business, Vol. 79, No. 2 (March 2006), pp. 941-961 (21 pages) In this paper, we construct a new variance bound on any stochastic discount factor (SDF) of the form \documentclass{aastex} ...