Strategic alliances range from unstructured collaborations, through consortia and joint ventures that superimpose new governance structures on existing firms, to transactions that restructure firm boundaries and asset ownership. In this paper, we draw on detailed discussions with practitioners...

Relational contracts-informal agreements sustained by the value of future relationships-are prevalent within and between firms. We develop repeatedgame models showing why and how relational contracts within firms (vertical integration) differ from those between (nonintegration). We show that...