We examine the organizational choice and innovative activity of technology conglomerates—firms that explore different technology fields with heated inventive activity. We develop a measure of firm-to-economy technological proximity to capture the extent of a firm's technology conglomeration....

We document the valuation effects of bankruptcy announcements through technological relatedness. The average value of firms that intensively cite the technologies of a bankrupt firm decreases by 1% around the time of the bankruptcy announcement. The effects are not attributable to other economic...

This paper finds significant predictability in stock returns across technology-linked firms. Using patent-holding information to identify firms' technological linkage, we show that a long–short equity trading strategy sorted on lagged returns of technology-linked firms yields monthly alphas of...