Understanding the nature of financial frictions faced by firms is relevant for both monetary and fiscal policy experiments. Empirical investment studies commonly find that proxies for firms' internal funds are significant as explanatory variables, particularly in the Q-theory based regression...

This paper analyses the necessary and sufficient conditions to ensure that interest rate policy does not introduce real indeterminacy and thus self-fulfilling fluctuations into open economies. A key feature of the model is the incorporation of capital and investment spending into the analysis....