1.3k citations · 14.5k across the 144 of their papers we have counts for
6 papers · 1 filter
Origin of Crashes in 3 US stock markets: Shocks and Bubbles
Anders Johansen
This paper presents an exclusive classification of the largest crashes in Dow Jones Industrial Average (DJIA), SP500 and NASDAQ in the past century. Crashes are objectively defined…
Optimal Investment Horizons
Ingve Simonsen, Mogens H. Jensen, Anders Johansen
In stochastic finance, one traditionally considers the return as a competitive measure of an asset, {\it i.e.}, the profit generated by that asset after some fixed time span ,…
Response time of internauts
Anders Johansen
A new experiment measuring the dynamical response of the Internet population to a ``point-like'' perturbation has been performed. The nature of the perturbation was that of an anno…
The Nasdaq crash of April 2000: Yet another example of log-periodicity in a speculative bubble ending in a crash
Anders Johansen, Didier Sornette
The Nasdaq Composite fell another on Friday the 14'th of April 2000 signaling the end of a remarkable speculative high-tech bubble starting in spring 1997. The closi…
Critical Crashes
Anders Johansen, Didier Sornette
We argue that the word ``critical'' in the title is not purely literary. Based on our and other previous work on nonlinear complex dynamical systems, we summarize present evidence,…
Stock market crashes are outliers
A. Johansen, D. Sornette
We call attention against what seems to a widely held misconception according to which large crashes are the largest events of distributions of price variations with fat tails. We…