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Author: William N. Goetzmann
Publisher:
ISBN:
Category :
Languages : es
Pages : 30
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Author: William N. Goetzmann
Publisher:
ISBN:
Category :
Languages : es
Pages : 30
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Author: Arturo Bris
Publisher:
ISBN:
Category :
Languages : en
Pages :
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We analyze cross-sectional and time series information from forty-six equity markets around the world to consider whether short sales restrictions affect the efficiency of the market and the distributional characteristics of returns to individual stocks and market indices. We construct two measures of price efficiency that quantify the asymmetric response of individual stock returns to negative vs. positive information, and find some evidence that prices incorporate negative information faster in countries where short sales are allowed and practiced. This evidence is consistent with more efficient price discovery at the individual security level. A common conjecture by regulators is that short sales restrictions can reduce the relative severity of a market panic. We test this conjecture by examining the skewness of market returns. We find strong evidence that in markets where short selling is either prohibited or not practiced, market returns display significantly less negative skewness. However, at the individual stock level, short sales restrictions appear to make no difference.
Author:
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Category : Bears
Languages : en
Pages : 250
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Author: Barrie K Gilbert
Publisher: FriesenPress
ISBN: 1525548522
Category : Nature
Languages : en
Pages : 265
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Book Description
Barrie Gilbert’s fascination with grizzly bears almost got him killed in Yellowstone National Park. He recovered, returned to fieldwork and devoted the next several decades to understanding and protecting these often-maligned giants. He has spent thousands of hours among wild grizzles in Yosemite and Yellowstone national parks, Alberta, coastal British Columbia, and along Brooks River in Alaska’s Katmai National Park, where hundreds of people gather to watch dozens of grizzlies feast on salmon. His research has centered on how bears respond to people and each other, with a focus on how to keep humans and bears safe. Drawn from his decades of experience, One of Us: A Biologist’s Walk Among Bears explodes myths that depict grizzlies as bloodthirsty beasts that “kill for pleasure” and reveals the intelligent, adaptable side of these astonishingly social animals. He also explains their pivotal role in maintaining and protecting their fragile ecosystems. Accordingly, Gilbert pulls no punches when outlining threats to bear conservation. Most importantly, this book extolls a new way of appreciating grizzly bears, the same way we regard wolves, whales, chimpanzees, and gorillas.
Author: Steven Kazlowski
Publisher: Braided River
ISBN: 9781594850592
Category : Nature
Languages : en
Pages : 224
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Book Description
Scientists agree that by the end of this century the polar bear will be the first mammal threatened with extinction due to climate change. "The Last Polar Bear" is the first book to fully document that story.The continued survival of these magnificent white bears in their warming, and melting, Arctic world is uncertain, yet their fate is also a wake-up call compelling us to act now to stem global warming. Through Steven Kazlowski's unparalleled imagery, the most critical environmental issue of our time is brought to life."The Last Polar Bear" places the reality of climate change in our hands. We see the plight of the polar bear, an animal already feeling the detrimental effects of our reliance on fossil fuels, as its icy habitat melts.Over the course of the last six years, wildlife photographer Steven Kazlowski has photographed the polar bear in its wild habitat, from Hershel Island in Canada to Point Hope in Alaska. "The Last Polar Bear" pairs his intimate images with anecdotes about his Arctic adventures, as well as authoritative essays about the polar bear in the context of climate change.Alaska based writers Richard Nelson, Charles Wohlforth, Nick Jans, and leading USGS polar bear biologist Steven C. Amstrup draw on decades of experience in the Arctic to cover the biological, cultural, and anthropological aspects of climate change. Dan Glick, long-time correspondent for "Newsweek", addresses the history of climate change while Frances Beinecke, president of the Natural Resources Defence Council, and Theodore Roosevelt IV offer perspectives on activism and politics.
Author:
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Category : Endangered species
Languages : en
Pages : 468
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Author: Charles M. Reigeluth
Publisher: Routledge
ISBN: 1136778268
Category : Education
Languages : en
Pages : 494
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Book Description
Instructional Design Theories and Models is a thorough yet concise overview of eight of the most comprehensive and best-known attempts to integrate knowledge about effective and appealing instruction. Chapters were written by the original theorists to provide a more accurate and behind-the-scenes look at the theories' development. Instructional Des
Author: Sylvia Dolson
Publisher: Get Bear Smart Society
ISBN: 0981381316
Category : Nature
Languages : en
Pages : 194
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Author: Samuel MacClintock
Publisher:
ISBN:
Category : Business
Languages : en
Pages : 826
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Author: Robert D. Grow
Publisher:
ISBN:
Category : Insider trading in securities
Languages : en
Pages : 35
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Book Description
