@mastersthesis{publication-11536, author={Hungerb{\"u}hler, Stefan}, editor={Habib, Michel A. and Rojcek, Jakub}, faculty={Faculty of Economics, Business Administration and Information Technology}, institution={University of Zurich}, pages=57, title={Are the high valuations of the social media IPOs and the development of the stock price in the technology sector signs of a recurrence of a bubble in the US stock market?}, year=2014, }