Estimating Water Demand Schedules for Selected Industries in Arkansas

Water demand functions for the paper and chemical industries in the state of Arkansas were estimated utilizing data collected from individual plants throughout the state. Regression analysis was used to estimate demand functions from a data base which included information on intake and gross water use by source, recirculated water use, costs of acquiring, treating, and discharging water, plant output, employment, and level of technology. The demand for intake water was estimated as an exponential function of average water costs and the level of technology primarily. Price elasticities of demand were estimated as approximately equal to one for both industries. The results of this study could be used to determine the effects of various public policies on the withdrawal of water for industrial purposes

On a purported local extension of the quantum formalism

Since the early days of quantum mechanics, a number of physicists have doubted whether quantum mechanics was a complete theory and wondered whether it was possible to extend the quantum formalism by adjoining hidden variables.1 In 1952, Bohm answered this question in the affirmative2 and in doing so refuted von Neumann’s influential yet flawed proof that no such extension was possible.3 However, Bohm’s hidden variable theory has not won wide support partly because the theory is nonlocal: there is instantaneous action at a distance. Since there is an obvious problem reconciling such nonlocal theories with Relativity, hidden variable theories would look much more promising if they also satisfied locality. Accordingly, the question as to whether or not local hidden variable theories are possible assumes great significance. In 1964 Bell appeared to prove that this question had a negative answer:4 He showed that any local hidden variables theory is incompatible with certain quantum mechanical predictions. Since these predictions have been borne out by the experiments of Aspect and others5 the prospects for hidden variable theories have looked grim. Angelidis disagrees.6 He claims to have done to Bell what Bohm did to von Neummann: He has found a theory which is local and which generates a family of probability functions converging uniformly to the probability function generated by quantum mechanics. If this were true, then Angelidis’ theory would be a counterexample to Bell’s theorem and a promising path would once again be open to hidden variable theorists. Unfortunately, Angelidis’ theory fails to live up to his claims: As formulated, the theory does not make the same predictions as quantum mechanics, and while there is a natural extension of his theory which does make the same predictions, the extension is not local. Bell’s Theorem stands

Christmas Everywhere

https://digitalcommons.library.umaine.edu/mmb-vp/5170/thumbnail.jp

Engines of Innovation: The Entrepreneurial University in the Twenty-First Century

Thorp, Holden and Buck Goldstein. Engines of Innovation: The Entrepreneurial University in the Twenty-First Century. Chapel Hill: University of North Carolina Press, 2010. Engines of Innovation: The Entrepreneurial University in the Twenty-First Century is an exploration into the design of a collaborative academic institution where silos of discipline-specific competency and tradition disappear and innovation reigns supreme

Utilization of Problem-Based Learning in an Entrepreneurship Business Planning Course

This article demonstrates the implementation and efficacy of Problem-Based Learning (PBL) in an undergraduate entrepreneurship business planning course. Throughout the course, ill-structured problems arise that require independent thinking and ongoing problem solving with students taking responsibility for their own learning. The course incorporates the latest classroom technology and how that technology is utilized to deliver self-directed learning. The PBL methodology is then evaluated in light of anonymous student survey results. The objective is to create a framework for future assessment in evaluating PBL in the business planning course

Winning the Un-Winnable in Afghanistan? Counterinsurgency and Ethnic Strife

After pursuing military actions in both Iraq and Afghanistan, the United States adopted a counterinsurgency policy to properly address these conflicts. After implementing this new strategy, it appears that the United States has been able to succeed against the insurgency, while losing more and more ground in Afghanistan. Upon examination, it was determined that the ethnic fractionalization in Afghanistan presented a unique challenge to the counterinsurgency effort that had not been present in Iraq. The effects of this ethnic fractionalization were then analyzed on local counterinsurgency tactics and the overall nation building strategy in Afghanistan. Local counterinsurgency tactics had largely not been tailored to work in Afghanistan\u27s multi-ethnic climate. The nation building strategy that has been pursued in Afghanistan has not been successful in uniting the country under the power of the central Afghan government. A more proficient implementation of local counterinsurgency and more effective governmental institutions are important to bringing Afghanistan\u27s fractured ethnicities together into one nation and ending the ongoing insurgency