Because of the recent soaring petroleum price and growing environmental concerns, biodiesel has become an important alternative fuel. Biodiesel is the mono alky esters made from a vegetable oil, such as soybean or rapeseed oil, or sometimes from animal fats. The escalation in world petroleum...

Using quarterly U.S. census division data for time period 1975-2006, this paper investigates the dynamic relationships among the house prices of nine divisions (regions): Pacific, Mountain, South Atlantic, Middle Atlantic, New England, East South Central, West South Central, West North Central,...

In this study, we apply directed acyclic graphs and search algorithm designed for timeseries with non-Gaussian distribution to obtain causal structure of innovations from an errorcorrection model. The structure of interdependencies among six international stock markets isinvestigated. The...