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Testing for a unit root in the volatility of asset returns (replication data)
It is now well established that the volatility of asset returns is time varying and highly persistent. One leading model that is used to represent these features of the data is... -
Detecting periodically collapsing bubbles: a Markov-switching unit root test ...
This paper addresses the problem of testing for the presence of a stochastic bubble in a time series in the case that the bubble is periodically collapsing so that the asset...
