We develop a dynamic economic model that includes control variables for both nitrogen fertilizer and irrigation water to analyze interseasonal corn production and nitrate leaching in the presence of irrigation system nonuniformity. The economic model is used to estimate profit-maximizing...

In this article we develop a vector error correction model using weekly, point-of-purchase scanner data to investigate multivariate pricing relationships among brands competing in the domestic black and herbal tea industries. Johansen's likelihood ratio test established the prices of Bigelow...