This article introduces a new kind of order imbalance - limit order imbalance - in addition to the conventional order imbalance to explain the intraday stock returns. The conventional order imbalance together with our new order imbalance are shown to explain more than 90% of intraday returns of...

This article estimates a partially linear model that permits non-linearities of unspecified form in the school quality-earnings relationship. It examines the joint effect of teacher education and pupil-teacher ratios on 1990 earnings using NLSY data. It finds some evidence of non-linearities in...

Zellner and Ryu examined several popular specifications of elasticity of scale that characterizes production functions. This note goes further by combining these functional forms and proposing a model-averaged estimator of elasticity of scale. The methodology used in Bayesin Model Averaging, and...