During the last decade the world has faced a tremendous development of information technology and telecommunication. This study investigates the impact of rumours (released on the web) on common stock returns. The findings indicate that the market responds positively to rumours. During the event...

This paper examines pricing policy, quality levels, consumer surplus and social welfare for the monopoly and non-monopoly case. It is shown that given certain realistic assumptions, the network industry under unregulated monopoly would yield more social welfare than in the case of several...

In the current paper we propose to distinguish between micro and aggregate Laffer functions. We prove that in spite of the fact that a Laffer curve of any representative individual may have one peak point where tax revenue is at its maximum, the aggregate Laffer curve is more likely to have...