Results 161 to 170 of about 6,947 (208)

Simulated evolution of selfish herd behavior

Journal of Theoretical Biology, 2005
Single species aggregations are a commonly observed phenomenon. One potential explanation for these aggregations is provided by the selfish herd hypothesis, which states that aggregations result from individual efforts to reduce personnel predation risk at the expense of group-mates.
Reluga, Timothy C., Viscido, Steven
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Analyst Forecasts and Herding Behavior:

Review of Financial Studies, 1994
The use of analyst forecasts as proxies for investors' earnings expectations is commonplace in empirical research. An implicit assumption behind their use is that they reflect analysts' private information in an unbiased manner. As demonstrated here, this assumption is not necessarily valid.
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Herd Behavior in Artificial Stock Markets

2004
Herd behavior in Economics can be fruitfully represented by a generalization of the well-known Ehrenfest urn model to correlated clustering. The strategies of an agent in a stock market (planning to buy, to sell or to be inactive) are represented by three urns, and the accommodation of each agent in one of them is ruled by a random mechanism that may ...
U. Garibaldi, RABERTO, MARCO, P. Viarengo   +2 more
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On herding behavior

Applied Animal Behaviour Science, 1991
Abstract Herding behavior in ungulates is executed mainly by males. There are several forms of herding: guarding a single estrous female; rounding up a bunch of females during the rutting season; territorial herding by which a male keeps females inside his territory; herding of a moving, permanent, harem group; social herding in which group members ...
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Unmasking Herd behavior in ASEAN Countries

SSRN Electronic Journal, 2020
This paper includes the detection of Herd Behavior and bubbles in ASEAN countries and some other countries as well through different methods.
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Herd Behavior and Mutual Fund Performance

Management Science, 2017
I develop fund-level measures of the similarity in trading of mutual fund managers, resulting in the identification of leaders, contemporaneously herding managers, and followers. I find evidence of a persistent group of funds whose trades lead the aggregate trades of the mutual fund industry; these leader funds exhibit strong subsequent performance ...
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Testing and characterization of herding dogs’ behaviors

Journal of Animal Science
Abstract Breeding for phenotype in herding dogs (HDs) mainly relies on their performance in national field trial competitions, which has been shown to be inadequate for identifying HDs suited for real livestock farming conditions. In this study, a different field trial with a new scoring system consisting of 28 items to consider was ...
Boris, Lasserre, Barbara, Ducreux, Marjorie, Chassier, Louise, Joly, Pascal, Cacheux, Thierry, Le Morzadec, Stéphanie, Dayde-Fonda, Caroline, Gilbert   +7 more
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Herd behavior in purchasing books online

Computers in Human Behavior, 2008
Previous studies on informational cascades have stressed the importance of informational social influences in decision-making. When people use the product evaluations of others to indicate product quality on the Internet, online herd behavior occurs. This work presents four studies examining herd behavior of online book purchasing.
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Conversation, Information, and Herd Behavior [PDF]

American Economic Review, 1995
Experimental evidence shows that an important reason why people tend to imitate others, to exhibit "herd behavior" is that they assume that the others have information that justifies their actions. The information cascade models of Banerjee [1992] and Bikhchandani et al.
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The evolution of herd behavior: Will herding disappear over time?

Studies in Economics and Finance, 2019
Purpose The purpose of this paper is to examine the evolutionary nature of herding phenomenon in the context of a frontier stock market, the Colombo Stock Exchange of Sri Lanka. Design/methodology/approach This study applies the cross-sectional absolute deviation methodology for daily frequencies of data of all the common stocks listed during the ...
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