Research Paper (postgraduate) from the year 2015 in the subject Business economics - Investment and Finance, grade: 9.0/10, Maastricht University, language: English, abstract: Previous research has already proven that firms which get included in or excluded from the S&P 500 index experience stock price changes that ultimately result in market capitalization changes. The causes of these changes has extensively been examined, but a consensus on the true cause has not yet been reached. In this paper the market capitalization effect is examined by making a distinction between the reasons for...