European Journal of Operational Research 154 (2004) 345–362 www.elsevier.com/locate/dsw Returns to scale in different DEA models Rajiv D. Banker a‚ William W. Cooper b‚ Lawrence M. Seiford c‚ Robert M. Thrall d‚ Joe Zhu e‚* c School of Management‚ The University of Texas at Dallas‚ Richardson‚ TX 75083-0658‚ USA Graduate School of Business‚ The University of Texas at Austin‚ Austin‚ TX 78712-1174‚ USA Department of Industrial and Operations Engineering‚ University of Michigan‚ Ann Arbor‚ MI
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Heston’s Stochastic Volatility Model Implementation‚ Calibration and Some Extensions Sergei Mikhailov‚ Ulrich Nögel Fraunhofer Institute for Industrial Mathematics‚ Kaiserslautern‚ Germany‚ Mikhailov@itwm.fhg.de; Noegel@itwm.fhg.de 1 Introduction The paper discusses theoretical properties‚ shows the performance and presents some extensions of Heston’s (1993) stochastic volatility model. The model proposed by Heston extends the Black and Scholes (1993) model and includes it as a special case
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Running head: Simon‟s decision making approach 1 Abstract Herbert Simon‟s research endeavor aimed to understand the processes that participate in human decision making. However‚ despite his effort to investigate this question‚ his work did not have the impact in the “decision making” community that it had in other fields. His rejection of the assumption of perfect rationality‚ made in mainstream economics‚ led him to develop the concept of bounded rationality. Simon‟s approach also emphasized
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The purpose of this essay is to critically analyse a health education resource‚ to show knowledge and understanding of the use of health behaviour models and to understand the concept of health promotion. The health education resource chosen by the author is presented in the form of a leaflet promoting breast awareness. Health promotion is "any planned combination of educational‚ political‚ environmental‚ regulatory‚ or organisational mechanisms that support actions and conditions of living conductive
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"ADKAR" - a model for change management Overview ADKAR is a goal-oriented change management model that allows change management teams to focus their activities on specific business results. The model was initially used as a tool for determining if change management activities like communications and training were having the desired results during organizational change. The model has its origins in aligning traditional change management activities to a given result or goal. For example‚ Awareness
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Coursework Assignment Number 1 The Gordon Model is particularly useful since it includes the ability to price in the growth rate of dividends over the long term. It is important to remember that the price result of the Constant Dividend Growth Model assumes that the growth rate of the dividends over time will remain constant. This is a difficult assumption to accept in real life conditions‚ but knowing that the result is dependent on the growth rate allows us to conduct sensitivity analysis to
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Models of the Atom: a Historical Perspective John Dalton Early Greek Theories • 400 B.C. - Democritus thought matter could not be divided indefinitely. • This led to the idea of atoms in a void. fire Democritus • 1800 -Dalton proposed a modern atomic model based on experimentation not on pure reason. All matter is made of atoms. Atoms of an element are identical. Each element has different atoms. Atoms of different elements combine in constant ratios to form compounds. • Atoms are rearranged
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What are the main limitations of the Solow model? Discuss with reference to theory and evidence. The Solow Model‚ also known as the neoclassical growth model or exogenous growth model is a neoclassical attempt created in the mid twentieth century‚ to explain long run economic growth by examining productivity‚ technological progress‚ capital accumulation and population growth. This model was contributed to by the works of Robert Solow‚ in his essay ‘A Contribution to the Theory of Economic Growth’
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Leadership Models University of Phoenix Leadership Models Leadership models have been used in uncountable ways to increase productivity and efficiency of organizations. This is done through various approaches‚ methods‚ and techniques. Some methods focus on specific job duties or individuals performing the job‚ whereas other methods are designed to help followers and leaders to perform their duties adequately‚ and as a group. Human’s collective knowledge has improved
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Knowledge Management Models Knowledge management literature is plentiful with different understandings of knowledge‚ information and data‚ as ideas and thoughts. As a result many organizations experience lots of expenses on knowledge management technologies‚ which hardly deliver with the expected outcome (Davenport‚ and Prusak‚ 1998). For further explanation‚ Argote et al.‚ (2003) tried to organize Knowledge Management literature by separating it into two parts: Knowledge Management context and
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