We develop a theory of collective brand reputation for markets in which product quality is jointly determined by local … yields a theory of optimal brand size and revenue sharing that applies to platform markets, franchising, licensing, umbrella …

indices that correctly reflect the true price movements of IT products. This paper assesses the differences between … traditional and quality adjusted indices by providing results for PC hardware. Transaction price data for the period from 1985 to … 1994 are used to construct price indices for personal computers in Germany. The use of hedonic methods allows to correct …