"This paper investigates causation contemporaneously and dynamically to elucidate the persistent lack of agreement about what "causes" changes in farmland prices. The analysis synthesizes and extends previous investigations in this area by employing a combination of directed acyclic graphs...

"Recent volatility in food prices and the growing disparity between prices at various stages of the marketing channel has generated much interest among agricultural producers, consumers, and policy makers. This study examines the effect of nonlinear threshold dynamics on asymmetric price...

"This paper studies the spatial price linkages in U.S. grain and transportation markets using cointegration analysis and algorithms of inductive causation on directed acyclic graphs. Transport costs and prices from alternative transportation modes are considered to provide a relatively...