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Special Report on

An Introduction to Econophysics

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Probably for as long as there has been money, there have been people who had more of it than they wanted to spend right away, and many more people who wanted to spend more money than they had. If money could somehow pass from the first group to the second, people would be better off; the function of financial markets is to ease this passage. Their point is to keep excess funds from sitting idle, by allocating them among the different people and projects asking for money. Ideally, just as ordinary markets allocate goods and services to those for whom they are most "valuable" (i.e., have the highest combination of desire
Review of Chakrabarti, Bikas K.,Chakraborti, Anirban, Chatterjee ...
The back cover of this volume claims that it is "the first book providing a panoramic view of these developments in the last one and half decades", referring to the recently developing transdisciplinary fields of econophysics and sociophysics . Given that as self-identified fields these have barely existed for over a decade, it may be arguably the first such edited volume to appear ever, although individuals have written on these areas previously, most notably individuals at the Brussels Free University ( Prigogine 1980 ) and at the Stuttgart Institute of Theoretical Physics ( Weidlich and Haag 1983 ). In both cases, ... market research, surveys and trends
Gary J. Miller, Managerial Dilemmas: The Political Economy of ...
tries to figure out what works and what doesn’t in organization design, but along the way I wonder if Miller is just recapitulating a moral principle or two that we all ought to be feeling anyway. Working together is a public-goods problem: if all of us on the team work except for me, then I get the advantages of the team’s production without doing any of the work. But all of us on the team have the same incentives, so we all have an incentive to avoid doing work. But if we all avoid doing work, the team produces less than it could, and we all suffer. In the jargon, “everyone shirks” is a Pareto-inefficient market research, surveys and trends


Patterns and Correlations in Economic Phenomena Uncovered Using ...
Nowhere do we see a drop anywhere near the 30 percent drop of Black .... million data points: three orders of magnitude greater than Mandelbrot's data ..... R. N. Mantegna and H. E. Stanley: An Introduction to Econophysics: Correlations ... industry trends, business articles and survey research
Correlated Randomness: Rare and Not-so-Rare Events in Finance
which shows a loss of 30 percent of the total value of the market in just ..... We tested the universality of Eqs. (2) and (3) by analyzing the 35 million ..... R. N. Mantegna and H. E. Stanley, An Introduction to Econophysics: Corre- ... industry trends, business articles and survey research


View Frontmatter as PDF - An Introduction to Econophysics
An Introduction to Econophysics. This book concerns the use of concepts from statistical ... An introduction to econophysics: correlations and complexity in ... technology research, surveys study and trend statistics
For over a century, it has been recognized (1) that the
Mantegna RN, Stanley HE (2000) An Introduction to Econophysics (Cambridge. Univ Press, Cambridge, UK). 14. Bouchaud J-P, Potters M (2000) Theory of ... technology research, surveys study and trend statistics
Mantegna and Stanley, Introduction to Econophysics
In these strange days, it sometimes seems that every schoolchild knows the argument for the efficient market hypothesis, but here is the EMH one more time. Consider an equilibrium financial market, populated by rational agents. The price an agent will pay for a financial instrument is its net present value to him --- his estimate of future returns, discounted for time-preference and risk. Since the agents are rational, their estimates of future returns will accurately incorporate everything they know. Hence prices change only when tastes (for risk and for time) change, or when unpredictable information arrives. If a piece of ...
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Physics: energy in an atom of hydrogen, electrons protons neutrons ...
is it possible to calculate the energy in a single atom of, say, hydrogen if completely converted to energy using e=mc2 and the known mass of the hydrogen atom? thanks Answer - Hello reuben, the answer to your question is simply: yes. To set the energy free (to convert it to another form of energy) one would have to annihilate the mass of the hydrogen atom, e.g. by letting it collide with its anti-matter counterpart. For such a complex structure like an atom (made up from electrons, protons, neutrons) this would prove rather complicated, but for elementary particles (electrons, positrons, quarks, etc.) this is regularly done in ...
Physics: electric field strength, electric field vector, electric ...
Thanks so much for your help!. I'm working through your answer, and have a few questions the answers to which might help me think this through. 1. I couldn't find a relevant definition of homogenous. Am I correct to assume that  a �homogenously charged plate�  is one where the excess charge is spread uniformly over the surface, so that sigma is the same at every point? 2. In finding the electric field for an infinite non-conducting sheet with excess charge spread on one side, my text uses as its Gaussian surface a cylinder which starts at a point outside  the sheet on one side, goes through the sheet, ...