The paper considers the use of directed acyclic graphs (DAGs), and their construction from observational data with PC-algorithm TETRAD II, in providing over-identifying restrictions on the innovations from a vector autoregression. Results from Sims’ 1986 model of the US economy are replicated...

Investigation into the relations between market fundamentals and US natural gas prices is carried out in the regime-switching framework. To test the hypothesis that US natural gas market may switch between two states of market: bullish market and bearish market, a 2-state regime-switching model...

This paper demonstrates the application of a recently developed methodology, the combination of directed acyclic graphs (DAGs) with Bernanke structural vector autoregression (VAR) models, to model a system of U.S. commodity-related and value-added markets. As an example, the paper applies this...

This paper applies a combined methodology of a recently developed directed acyclic graph (DAG) analysis with Johansen and Juselius' methods of the cointegrated vector autoregression (VAR) model to a monthly U.S. system of markets for soybeans, soy meal, and soy oil. Primarily a methods paper,...

This paper demonstrates the application of a recently developed methodology, the combination of directed acyclic graphs (DAGs) with Bernanke structural vector autoregression (VAR) models, to model a system of U.S. commodity-related and value-added markets. As an example, the paper applies this...

In this dissertation, three related issues of building empirical time series models forfinancial markets are investigated with respect to contemporaneous causality, dynamics,and structural change. In the first essay, nation-wide industry information transmissionamong stock returns of ten sectors...

This dissertation examines several issues regarding the congestion on the UpperMississippi River and Illinois Waterway. Chapter II identifies and measures the impactof lock congestion on grain barge rates on these waterways. Results indicate grain bargerates on both rivers are not affected by...

Endogenous tariff formation has been the subject of theoretical studies that attempt todetermine the fundamental economic variables that influence the structure of industryprotection implemented by international trade policy makers. An empirical analysis ofendogenous tariff formation under the...

The environmental horticulture industry, also known as the “Green Industry”, is the second most important sector in the United States’ agricultural economy in terms of economic output and one of the fastest growing segments of agriculture; however, it has experienced a steady slowdown in...

Financial market and its various components are currently in turmoil. Many largecorporations are devising new ways to overcome the current market instability.Consequently, any study fostering the understanding of financial markets and thedependencies of various market components would greatly...