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January 2000 till May 2010. More precisely, we test for the presence of bubbles and antibubbles and try to determine whether … techniques used to model antibubbles to forecast the future behaviour of the LJSE index. Besides modelling index dynamics for the …
Persistent link: https://www.econbiz.de/10010534522
This introductory article presents the special Discussion and Debate volume 'From black swans to dragon-kings, is there life beyond power laws?'. We summarize and put in perspective the contributions into three main themes: (i) mechanisms for dragon-kings, (ii) detection of dragon-kings and...
Persistent link: https://www.econbiz.de/10011161412
LPPL models have been widely used to describe the behaviour of stock prices during an endogenous bubble and to predict …
Persistent link: https://www.econbiz.de/10010929588
The ex-ante forecast of the SP500 index discussed in Fantazzini (2010a), covering the time sample 14/04/2009 - 09 … the SP500 index trailed the forecasted values quite well, moving inside the forecast confidence bands for over a year …/08/2010, the stock market index never returned inside the forecast confidence bands. Additional evidence is then provided to show …
Persistent link: https://www.econbiz.de/10011278827
-Periodic Power Law (LPPL) model for financial bubble modelling, and discusses early criticism and recent generalizations proposed to … graphical tools to diagnose financial bubbles in the making in real time. An application of this methodology to the Gold bubble …
Persistent link: https://www.econbiz.de/10011113835
The forecast plays an important role in the planning, the decision-making and control in any domain of activity … (univariate models), that use only the information of its past values to forecast the future, can often predict future with more … accuracy than causal or multivariate models. In this paper, we model and forecast the offensive effectiveness of the soccer …
Persistent link: https://www.econbiz.de/10005789648
In modeling expectation formation, economic agents are usually viewed as forming expectations adaptively or in accordance with some rationality postulate. We offer an alternative nonlinear model where agents exchange their opinions and information with each other. Such a model yields multiple...
Persistent link: https://www.econbiz.de/10009447863
bubbles, a bubble itself is not sufficient to cause real-side disruption. What central bankers should learn from Japan …
Persistent link: https://www.econbiz.de/10009472319
It has been widely assumed that there was a bubble in the U.S. housing market after1999.This paper analyzes the extent to which that was true. We define a bubble as: (1) a regime shift that is characterized by a change in the properties of deviations from the fundamentals of house price growth,...
Persistent link: https://www.econbiz.de/10009476926
economics. We study whether information about imminent future dividends can abate bubbles in experimental asset markets. We find … that markets with asymmetrically informed traders have significantly smaller bubbles than markets with symmetrically … efficiency--when some traders know more than others about future dividends. This suggests that bubbles are abated when traders …
Persistent link: https://www.econbiz.de/10010990559