The article shows that a price regulation can have consequences on a monopolist's advertisement expen-diture. Due to the fact that a price regulation limits the free choice of both instruments price and adver-tisement, the enterprise is forced to use the two parameters in a suboptimal ratio. A...

The article discusses the question, to what extent harder sanctions are suitable to reduce the amount of corruption. Punishments affect the decision of potential offenders in various ways. Therefore it seems doubtful if an aggravation of penalty really causes the desired effects. From economic...