This paper considers an intertemporal decision problem in which the agent has limited foresight. It offers an interpretation of why people may smoke when they are young - and arguably have a short horizon of foresight – and refrain from smoking when they get older - and their foresight is better.

We briefly survey several insights about value and revenue maximization in multi-object auctions and apply them to the German (and Austrian) UMTS auction. In particular, we discuss in detail the exposure problem that caused firms in Germany to pay almost Euro 20 billion for nothing.