This paper shows that the cost of enforcing contracts governing non-financial relationships between firms affects a firm's financing structure. We analyze the interaction between a firm's capital structure and the type of contracts it uses to deal with its suppliers. We first develop a...

Existing theories of a firm's optimal capital structure seem to fail in explaining why many healthy and profitable firms rely heavily on equity financing, even though benefits associated with debt (like tax shields) appear to be high and the bankruptcy risk low. This holds in particular for...