In our paper, we analyze the possibility of improving the prediction of stock market indicators by conducting a sentiment analysis of Twitter posts. We use a dictionary-based approach for sentiment analysis, which allows us to distinguish eight basic emotions in the tweets of users. We compare...

This paper gives an overview of some issues related to market aluation, focusing on the developments on the New York equity markets. The 42.4 p.c. fall in the S&P 500 price index between 24 March 2000 - when it reached its all-time high - and 31 December 2002 is situated in a very long term...

Das ifo Geschäftsklima ist ein viel beachteter Indikator für die konjunkturelle Entwicklung in Deutschland. Es ist daher auch immer wieder Gegenstand von wissenschaftlichen Analysen, in denen verschiedene Eigenschaften des Geschäftsklimas untersucht werden. Im Zentrum des Interesses steht...

The financial and economic Tsunami that erupted and shook the world in 2007/2008 is by now legendary. If anything, it has underscored the importance of planning in the recovery of the global economy, but perhaps more important, in containing the negative consequences of future shocks at the...