Reviewing the definition and measurement of speculative bubbles in context of contagion, this paper analyses the DotCom bubble in American and European equity markets using the dynamic conditional correlation (DCC) model proposed as on one hand as an econometrics explanation and on the other...

Yes. By observing return reversals following unexpected responses to noisy public signals about market-wide common factors, we show that investors in the US equity market tend to over-respond to public signals for mature firms that are relatively easy to price—old, large, and dividend-paying...