Massively multiplayer online games (MMOGs) have become increasingly popular in the recent years, particularly in the form of online role-playing games (MMORPGs). These games support up to several ten thousand players interacting in a virtual game world. The current commercially successful games

between activated mechanical toys and an adult was related to imitation of actions upon objects, once variance associated with IQ had been taken into account. A further study of a different kind was one prompt for us to conduct the present investigation. Carpenter, Tomasello, and Savage-Rumbaugh~1995

asked to reason about issues such as the origins of anatomical and behavioral differences in species by answering questions such as ''How does it come about that people have different color of eyes/hair?'' and ''How did the differences between horses and cows originate

Abstract Joint attention between hearing children and their caregivers is typically achieved when the adult provides spoken, auditory linguistic input that relates to the child's current visual focus of attention. Deaf children interacting through sign language must learn to continually

what that knowledge structure is. This is difficult if all the experimenter does is watch the student solve problems. There are many ways for the experimenter to get a better view, e.g., analyzing verbal protocols, measuring the latencies between writing actions, tracking eye movements, and so on

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April 29, 2011Für UnsShe had never before seen a rabbit with either a waistcoat-pocket, or a watch to take out of it, and burning with curiosity, she ran across the field after it Lewis CarrollThe following document, written under the supervision of Dr. reviewed by:

RECHERCHES Elastographie par ondes de cisaillement

Paper prepared for the NBER project on “Risks of Financial Institutions”. We benefited from suggestions and criticism by many participants in the NBER project on “Risks of financial institutions”, in particular by the organizers Mark Carey (also involving Dean Amel and Allen Berger) and Rene Stulz, by our discussant Tony Saunders and by Patrick de Fontnouvelle, Gary Gorton, Andy Lo, Jim O’Brien and Eric Rosengren. Furthermore, we are grateful for comments we received at the 2004 European Finance Association Meetings in Maastricht, in particular by our discussant Marco da Rin and by Christian Upper, at the 2004 Ottobeuren seminar in economics, notably the thoughts of our discussant Ernst Baltensberger, of Friedrich Heinemann and of Gerhard Illing, as well as at seminars of the Max Planck Institute for Research on Collective Goods, the Federal Reserve Bank of St. Louis, the ECB and the University of Frankfurt. Gabe de Bondt and David Marques Ibanez supported us enormously in finding yield spread data, Lieven Baele and Richard Stehle kindly made us aware of pitfalls in Datastream equity data. Very helpful research assistance by Sandrine Corvoisier, Peter Galos and Marco Lo Duca as well as editorial support by Sabine Wiedemann are gratefully acknowledged. Any views expressed only reflect those of the authors and should not be interpreted as the ones of the ECB or the Eurosystem. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

or irritable, in a manner comparable to obsessional disorders in which special meaning is attributed to common thoughts and behaviors. Just as some people differ from controls only in respect of their interpretation of events, some insomniacs have normal or close-to-normal sleep, but perceive it to be abnormal