Task: We are becoming increasingly dependent on computers. They are used in businesses‚ hospitals‚ crime detection and even to fly planes. Is this dependence on computers a good thing or should we be more suspicious of their benefits? The last two decades have witnessed a dramatic increase in the utilization of computer devices almost everywhere. It is indisputable that it has brought significant benefits to our lives in many spheres such as economics and science. However‚ it is also alarming
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As we move into the twenty-first century‚ it is clear to see that we have become more and more dependent on computers and information technology. This technology now reaches into almost every area of our lives and it is easy to predict that this phenomenon is only going to grow. My personal belief is that this presents a variety of dangers. It is highly likely that in the future there will be comparatively few aspects of our lives that will not be influenced by computer technology. The probability
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Economics‚ Xi’an Shaanxi 710061‚ China article info abstract Conditional independence graphs are proposed for describing the dependence structure of multivariate nonlinear time series‚ which extend the graphical modeling approach based on partial correlation. The vertexes represent the components of a multivariate time series and edges denote direct dependence between corresponding series. The conditional independence relations between component series are tested efficiently and consistently
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the same day market returns. In addition to the returns of oil-intensive industries‚ returns of industries that do not use oil to any significant extent are also sensitive to oil price changes. Finally‚ I show that both the cost-side dependence and demand-side dependence on oil are important in explaining the sensitivity of industry returns to oil price changes. I am indebted to Louis Ederington. I am grateful for the helpful comments received from Chitru Fernando‚ Vahap Uysal‚ Cynthia Rogers‚ Carlos
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into four groups based on interviews: - Unaffected - Problem drinking - Alcoholism withouth tolerance dependence - Alcoholism with tolerance dependence Difference in alcoholism are assumed to arise from: - Addictive genetics - Family or environment (sources shared with twin) - Individual specific environment (all sources not shared) Tetrachoric correlation – uses all info available Aka Correlation of liabilty Study uses probandwise concordance = the proportion of affected individuals among the co-twins
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ADHD and Substance Abuse The Evidence Of Substance Abuse With ADHD The purpose of this paper is to identify the link between ADHD and substance abuse. Substance abuse is a true threat to people who are diagnosed with psychological disorders. Among the questions of precursors to substance abuse‚ lies the hypothesis that individuals diagnosed with Attention Deficit Hyperactivity
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of men and 13% of women experienced problems with binge eating. Implications: Implications: Genes that influence alcohol also influence binge/purge eating in men and women. Among women in the study‚ the genetic correlation between compensatory behaviors and alcohol dependence was significant at 0.32. The same genetic risk factors for alcoholism seemed to make people vulnerable to binging and purging as well. Factors Results Nature of the study This study involved humans Statistical
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International Journal of Statistics and Probability; Vol. 1‚ No. 2; 2012 ISSN 1927-7032 E-ISSN 1927-7040 Published by Canadian Center of Science and Education The Efficient Market Hypothesis: Empirical Evidence Martin Sewell1 1 Faculty of Economics‚ University of Cambridge‚ Cambridge‚ United Kingdom Correspondence: Martin Sewell‚ Faculty of Economics‚ University of Cambridge‚ Sidgwick Avenue‚ Cambridge CB3 9DD‚ United Kingdom. Tel: 44-797-414-5461. E-mail: mvs25@cam.ac.uk Received: June
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Cited: Coppinger‚ RM and Rosenblatt‚ PC. (1968) "Romantic Subsistence Dependence of Spouses." Southwestern Journal de Munck‚ VC and Korotayev‚ A. (1999). "Sexual Equality Fisher‚ H. (1995) "The Nature and Evolution of Romantic Love." In Jankowiak‚ WR Harris‚ H. (1995) "Rethinking Heterosexual Relationships in Polynesia." In
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major derivative clearing house in the world encountered distress while many banks were pushed to the brink and beyond. An important reason for this is that derivative exchanges have avoided using value at risk‚ normal distributions and linear correlations. This is an important lesson. The global financial crisis has also taught us that in risk management‚ robustness is more important than sophistication and that it is dangerous to use models that are over calibrated to short time series of market
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