We study the stock market reaction to announcements of global green vehicle innovation over a 14-year time span (1996 to 2009) using the event study methodology. We document that the stock market generally reacts positively to automakers' announcements of environmental innovations, consistent...

Intraday and high frequency time series are mostly defined by a non-continuous prices process. This paper introduces an integer based ARMA model found to be a better predictor for absolute intraday price changes than continuous time estimators (such as GARCH or multiplicative error models)....