منابع مشابه
On Testing for Speculative Bubbles
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متن کاملAnalysis of Financial Time Series with EViews
4 GARCH Models 7 4.1 Basic GARCH Specifications . . . . . . . . . . . . . . . . . . . 8 4.2 Diagnostic Checking . . . . . . . . . . . . . . . . . . . . . . . 11 4.3 Regressors in the Variance Equation . . . . . . . . . . . . . . . 12 4.4 The GARCH–M Model . . . . . . . . . . . . . . . . . . . . . . 12 4.5 The Threshold GARCH (TARCH) Model . . . . . . . . . . . . 12 4.6 The Exponential GARCH (EG...
متن کاملTesting for Bubbles and Change–Points
A model for a financial asset is constructed with two types of agents, who differ in terms of their beliefs. The proportion of the two types changes over time according to stochastic processes which model the interaction between the agents. Agents do not persist in holding “wrong” beliefs and bubble–like phenomena in the asset price occur. We consider tests for detecting bubbles in the conditio...
متن کاملTesting for Periodically Collapsing Bubbles: an Generalized Sup Adf Test
Identifying explosive bubbles under the influence of their periodically collapsing property has long been a concern in bubble testing literature. In this paper, we argue that the sup Augmented Dickey-Fuller (ADF) test (Phillips, Wu and Yu, 2009), which implements a right-tail ADF test and a sup test on a forward expanding sample sequence, is sensitive to the sample starting point when there are...
متن کاملTESTING FOR RATIONAL BUBBLES WITH EXOGENOUS OR ENDOGENOUS FUNDAMENTALS The German Hyperinflation Once More
The presence of rational price bubbles during the German hyperinflation is tested under two different structural assumptions on the money process. If the money supply is constrained to be exogenous to the current inflation rate, the hypothesis of no bubble can be rejected. However, this is no longer found to be true when a feedback rule from inflation to money creation is allowed. The analysis ...
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ژورنال
عنوان ژورنال: Journal of Statistical Software
سال: 2017
ISSN: 1548-7660
DOI: 10.18637/jss.v081.c01