Variable selection is a difficult problem in statistical model building. Identification of cost efficient diagnostic factors is very important to health researchers, but most variable selection methods do not take into account the cost of collecting data for the predictors. The trade off between...

This paper examines the twin deficits hypothesis in the ASEAN countries. The major findings of this paper are the following. (1) Long run relationships are detected between budget and current account deficits. (2) The Keynesian view fits well for Thailand since the causality runs from budget...

We develop a new autoregressive conditional process to capture both the changes and the persistency of the intraday seasonal (U-shape) pattern of volatility in essay 1. Unlike other procedures, this approach allows for the intraday volatility pattern to change over time without the filtering...

This paper investigates how explicit structural shocks that characterize the endogenous character of oil price changes affect stock-market returns in a sample of eight countries --- Australia, Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. For each country, the...

This paper uses variance decomposition modelling to explore how wheat revenuevolatility in Australia has changed spatially and temporally. The components ofrevenue variance are the variances and covariances of wheat prices, the area of wheatharvested and the yield of wheat. The key finding is...

The financial crisis of 2007-2008 led to extraordinary government intervention in firms and markets. The scope and depth of government action rivaled that of the Great Depression. Many traded markets experienced dramatic declines in liquidity leading to the existence of conditions normally...