A dynamic economy with markets of equities and bonds is considered. The rational expectations equilibrium is defined in an asset pricing model and a condition under which the Modigliani-Miller theorem holds is shown. In an aggregate model the existence of a rational expectations equilibrium is...

Under condition of proved by us insolvency of well-known classical trade off theory it becomes important to identify mechanisms for forming the optimal capital structure of a company. This paper presents one of the real such mechanisms based on the decrease of debt cost with leverage, which is...