This paper computes a quality adjusted price index for the personal computer CPU from 1996 to 2000. The index is based on the pure characteristics demand model. I first compute the quality adjusted price index for the whole market, and show that it is very comparable with the hedonic price index...

Firms frequently compete across multiple segments. Such multimarket contact has been shown to deter aggressive competition, leading to what has been termed quot;mutual forbearance.quot; Empirical support for this phenomenon derives mainly from studies of the direct effects of multimarket contact...

In this paper I consider a new discrete choice model of differentiated product demand that combines the pure characteristics demand model and the random coefficient logit demand model. In this hybrid model consumers are exposed to an idiosyncratic taste shock when they make a brand choice but...

We empirically study the dynamics of R&D productivity by firm size over an industry's life cycle. To do this, we examine the relationship between R&D expenditures, firm size, and new product introductions at the firm level in the personal computer industry. In general, we find the following. (1)...

Studying the US personal computer industry from its inception in 1974 through 1994, we address the following questions. What product technology strategies increase the survival chances of entrants into new, technologically dynamic industries? Does the effectiveness of these strategies differ by...