Introduction to Econophysics

Introduction to Econophysics

Author: Rosario N. Mantegna

Publisher: Cambridge University Press

Published: 1999-11-13

Total Pages: 164

ISBN-13: 1139431226

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This book concerns the use of concepts from statistical physics in the description of financial systems. The authors illustrate the scaling concepts used in probability theory, critical phenomena, and fully developed turbulent fluids. These concepts are then applied to financial time series. The authors also present a stochastic model that displays several of the statistical properties observed in empirical data. Statistical physics concepts such as stochastic dynamics, short- and long-range correlations, self-similarity and scaling permit an understanding of the global behaviour of economic systems without first having to work out a detailed microscopic description of the system. Physicists will find the application of statistical physics concepts to economic systems interesting. Economists and workers in the financial world will find useful the presentation of empirical analysis methods and well-formulated theoretical tools that might help describe systems composed of a huge number of interacting subsystems.


The Origins and Development of Financial Markets and Institutions

The Origins and Development of Financial Markets and Institutions

Author: Jeremy Atack

Publisher: Cambridge University Press

Published: 2009-03-16

Total Pages: 497

ISBN-13: 1139477048

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Collectively, mankind has never had it so good despite periodic economic crises of which the current sub-prime crisis is merely the latest example. Much of this success is attributable to the increasing efficiency of the world's financial institutions as finance has proved to be one of the most important causal factors in economic performance. In a series of insightful essays, financial and economic historians examine how financial innovations from the seventeenth century to the present have continually challenged established institutional arrangements, forcing change and adaptation by governments, financial intermediaries, and financial markets. Where these have been successful, wealth creation and growth have followed. When they failed, growth slowed and sometimes economic decline has followed. These essays illustrate the difficulties of co-ordinating financial innovations in order to sustain their benefits for the wider economy, a theme that will be of interest to policy makers as well as economic historians.


Next Generation Earth System Prediction

Next Generation Earth System Prediction

Author: National Academies of Sciences, Engineering, and Medicine

Publisher: National Academies Press

Published: 2016-08-22

Total Pages: 351

ISBN-13: 0309388805

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As the nation's economic activities, security concerns, and stewardship of natural resources become increasingly complex and globally interrelated, they become ever more sensitive to adverse impacts from weather, climate, and other natural phenomena. For several decades, forecasts with lead times of a few days for weather and other environmental phenomena have yielded valuable information to improve decision-making across all sectors of society. Developing the capability to forecast environmental conditions and disruptive events several weeks and months in advance could dramatically increase the value and benefit of environmental predictions, saving lives, protecting property, increasing economic vitality, protecting the environment, and informing policy choices. Over the past decade, the ability to forecast weather and climate conditions on subseasonal to seasonal (S2S) timescales, i.e., two to fifty-two weeks in advance, has improved substantially. Although significant progress has been made, much work remains to make S2S predictions skillful enough, as well as optimally tailored and communicated, to enable widespread use. Next Generation Earth System Predictions presents a ten-year U.S. research agenda that increases the nation's S2S research and modeling capability, advances S2S forecasting, and aids in decision making at medium and extended lead times.


Liquidity and Asset Prices

Liquidity and Asset Prices

Author: Yakov Amihud

Publisher: Now Publishers Inc

Published: 2006

Total Pages: 109

ISBN-13: 1933019123

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Liquidity and Asset Prices reviews the literature that studies the relationship between liquidity and asset prices. The authors review the theoretical literature that predicts how liquidity affects a security's required return and discuss the empirical connection between the two. Liquidity and Asset Prices surveys the theory of liquidity-based asset pricing followed by the empirical evidence. The theory section proceeds from basic models with exogenous holding periods to those that incorporate additional elements of risk and endogenous holding periods. The empirical section reviews the evidence on the liquidity premium for stocks, bonds, and other financial assets.


Reinforcement Learning, second edition

Reinforcement Learning, second edition

Author: Richard S. Sutton

Publisher: MIT Press

Published: 2018-11-13

Total Pages: 549

ISBN-13: 0262352702

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The significantly expanded and updated new edition of a widely used text on reinforcement learning, one of the most active research areas in artificial intelligence. Reinforcement learning, one of the most active research areas in artificial intelligence, is a computational approach to learning whereby an agent tries to maximize the total amount of reward it receives while interacting with a complex, uncertain environment. In Reinforcement Learning, Richard Sutton and Andrew Barto provide a clear and simple account of the field's key ideas and algorithms. This second edition has been significantly expanded and updated, presenting new topics and updating coverage of other topics. Like the first edition, this second edition focuses on core online learning algorithms, with the more mathematical material set off in shaded boxes. Part I covers as much of reinforcement learning as possible without going beyond the tabular case for which exact solutions can be found. Many algorithms presented in this part are new to the second edition, including UCB, Expected Sarsa, and Double Learning. Part II extends these ideas to function approximation, with new sections on such topics as artificial neural networks and the Fourier basis, and offers expanded treatment of off-policy learning and policy-gradient methods. Part III has new chapters on reinforcement learning's relationships to psychology and neuroscience, as well as an updated case-studies chapter including AlphaGo and AlphaGo Zero, Atari game playing, and IBM Watson's wagering strategy. The final chapter discusses the future societal impacts of reinforcement learning.


The High-Velocity Edge: How Market Leaders Leverage Operational Excellence to Beat the Competition

The High-Velocity Edge: How Market Leaders Leverage Operational Excellence to Beat the Competition

Author: Steven J. Spear

Publisher: McGraw Hill Professional

Published: 2010-05-07

Total Pages: 432

ISBN-13: 0071741402

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Generate faster, better results—using less capital and fewer resources! Toyota, Alcoa, Pratt & Whitney, and the U.S. Navy's Nuclear Power Program operate in vastly different worlds, but they have one thing in common. Each of these organizations generates constant, almost automatic operational self-improvements at rates faster, durations longer, and breadths wider than any of its competitors. Excellence in operational management is the single element separating industry leaders from all others. The High-Velocity Edge is a blueprint for fueling innovation and improvement at both the management and process level in your own company. It’s not magic, it’s not luck. It’s something that that can be taught, cultivated, practiced, and effectively applied to an organization. Spears explains how to: Build a system of “dynamic discovery” that reveals operational problems and weaknesses Attack and solve problems at the time and in the place where they occur, converting weaknesses into strengths Disseminate knowledge gained from solving local problems throughout the company as a whole Create managers invested in the process of continual innovation Apply the lessons of The High-Velocity Edge, and you will enjoy profitability, quality, efficiency, reliability, and agility unmatched by any of your rivals.


Stochastic-Process Limits

Stochastic-Process Limits

Author: Ward Whitt

Publisher: Springer Science & Business Media

Published: 2006-04-11

Total Pages: 616

ISBN-13: 0387217487

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From the reviews: "The material is self-contained, but it is technical and a solid foundation in probability and queuing theory is beneficial to prospective readers. [... It] is intended to be accessible to those with less background. This book is a must to researchers and graduate students interested in these areas." ISI Short Book Reviews


The Sun, the Earth, and Near-earth Space

The Sun, the Earth, and Near-earth Space

Author: John A. Eddy

Publisher: Government Printing Office

Published: 2009

Total Pages: 316

ISBN-13: 9780160838088

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" ... Concise explanations and descriptions - easily read and readily understood - of what we know of the chain of events and processes that connect the Sun to the Earth, with special emphasis on space weather and Sun-Climate."--Dear Reader.


Rhythms of the Brain

Rhythms of the Brain

Author: G. Buzsáki

Publisher: Oxford University Press

Published: 2011

Total Pages: 465

ISBN-13: 0199828237

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Studies of mechanisms in the brain that allow complicated things to happen in a coordinated fashion have produced some of the most spectacular discoveries in neuroscience. This book provides eloquent support for the idea that spontaneous neuron activity, far from being mere noise, is actually the source of our cognitive abilities. It takes a fresh look at the coevolution of structure and function in the mammalian brain, illustrating how self-emerged oscillatory timing is the brain's fundamental organizer of neuronal information. The small-world-like connectivity of the cerebral cortex allows for global computation on multiple spatial and temporal scales. The perpetual interactions among the multiple network oscillators keep cortical systems in a highly sensitive "metastable" state and provide energy-efficient synchronizing mechanisms via weak links. In a sequence of "cycles," György Buzsáki guides the reader from the physics of oscillations through neuronal assembly organization to complex cognitive processing and memory storage. His clear, fluid writing-accessible to any reader with some scientific knowledge-is supplemented by extensive footnotes and references that make it just as gratifying and instructive a read for the specialist. The coherent view of a single author who has been at the forefront of research in this exciting field, this volume is essential reading for anyone interested in our rapidly evolving understanding of the brain.