Real-business-cycle models suggest that an increase in the rate of productivity growth increases the real rate of interest. But economic theory is ambiguous when it comes to the effect of government budget deficits on the real rate of interest. Similarly, little is known about the effect of...

The ability of monetary policy actions to affect the private sector's incentive to invest in fixed capital is hotly debated. Whereas a downward shift in the yield curve increases the present value of expected cash flows and should spur investment, lower short term interest rates make delay more...