نتایج جستجو برای: herding system

تعداد نتایج: 2232455  

Journal: :Nature Reviews Cancer 2001

Journal: :Organization Science 2014
Kai-Yu Hsieh Freek Vermeulen

This paper investigates how the pattern of encounters between a firm’s competitors affects the firm’s inclination to follow its competitors into a new market. We theorize that direct encounters between a firm’s rivals lead to a herding effect, making imitative market entry more likely. Past mutual forbearance between a firm’s competitors (resulting from asymmetric multimarket competition) furth...

2007
Marco Cipriani Antonio Guarino

We study herd behavior in a laboratory financial market with financial market professionals. We compare two treatments: one in which the price adjusts to the order flow in such a way that herding should never occur, and one in which the presence of event uncertainty makes herding possible. In the first treatment, traders seldom herd, in accordance with both the theory and previous experimental ...

2003
Asa MacWilliams Christian Sandor Martin O. Wagner Martin Bauer Gudrun Klinker Bernd Brügge

In the past, architectures of Augmented Reality systems have been widely different and taylored to specific tasks. In this paper, we use the example of the SHEEP game to show how the structural flexibility of DWARF, our componentbased Distributed Wearable Augmented Reality Framework, facilitates a rapid prototyping and online development process for building, debugging and altering a complex, d...

2010
Klaus K. Kultti Paavo A. Miettinen

We characterize optimal strategies in a simple herding model where observations have a small cost. We assume that there are two states and two possible signals that each agent may get. The prior distribution is biased towards adopting behavior. That is, ex-ante, adopting gives a higher expected utility than not adopting. Contrary to Kultti & Miettinen (2005) herding does not arise deterministic...

2001
David Hirshleifer Siew Hong Teoh

We review theory and evidence relating to herd behavior, payo and reputational interactions, social learning, and informational cascades in capital markets. We o er a simple taxonomy of e ects, and evaluate how alternative theories may help explain evidence on the behavior of investors, rms, and analysts. We consider both incentives for parties to engage in herding or cascading, and the incenti...

2006
DAVID GOLDBAUM

This paper introduces assets for which the intrinsic value is endogenous to the amount of funding attracted. A Rational Expectations Equilibrium is developed. Additionally, simulations of the model based on bounded rationality explore the different market behavior under fundamental and momentum based investing strategies. Both strategies produce herding characteristics. The herding under the fu...

Alireza Naseri Mahmod Moallemi Mehdi Farahpour, Mohamad Fayaz Mohamasreza Najibzaadeh

Range management needs information on distribution of livestock. The better the distribution of the livestock, the more uniform the use of the rangeland. This study was conducted to record the path of the herd steering by the shepherd. A GPS was attached to a three year old ewe which was moving with the flock. The path of flock movement was recorded for three years on a monthly basis during the...

2002
Marco Cipriani Alberto Bisin Andrew Caplin Douglas Gale Steffen Huck

We study whether herding can arise in a laboratory financial market in which agents trade sequentially. Agents trade an asset whose value is unknown and whose price is efficiently set by a market maker. We show that the presence of a price mechanism destroys the possibility of herding. Most agents follow their private information and prices converge to the fundamental value. This result contras...

2015
Patrick Nalepka Cristopher Riehm Carl Bou Mansour Anthony Chemero Michael J. Richardson

Previous research investigating the dynamical processes supporting coordinated joint action has typically used nongoal-directed tasks. The present study expands on this research by investigating the coordination that emerges among pairs in a complex, goal-directed task of herding virtual sheep to the center of a field. The results revealed that the majority of pairs converged on the same stable...

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