Alliances and Return Predictability

摘要

Building on the growing literature on interfirm links and limited attention, we find evidence of return predictability across alliance partners. A long-short portfolio sorted on lagged returns of strategic alliance partners provides a return of 89 basis points per month that is robust to a number of specifications. Investor inattention and limits to arbitrage may be the source of the underreaction of a firm's returns to that of its partners.