We analyze how corporate financing decisions affect stock returns in a stochastic Ramsey model. Motivated by stylized facts, we incorporate two distinct features in the model. First, the supply of equity (the number of outstanding shares) is fixed. Second, firms pursue a target leverage ratio,...

We analyze the effects of socially responsible investment and public abatement on environmental quality and the economy in a continuous-time dynamic growth model featuring optimizing households and firms. Environmental quality is modelled as a renewable resource. Consumers can invest in...

To test if safety nets create moral hazard in the banking industry, we develop a simultaneous structural two-equations model that specifies the probability of a bailout and banks' risk taking.We identify the effect of expected bailout probabilities on risk taking using exclusion restrictions...