"Price rigidity is the key mechanism for propagating business cycles in traditional Keynesian theory. Yet the New Keynesian literature has failed to show that sticky prices by themselves can effectively propagate business cycles in general equilibrium. We show that price rigidity in fact can (by...

"This paper investigates the behavior of short-term real and nominal rates of interest by combining consumption-based and production-based models into a single general equilibrium framework. Based on the theoretical nonlinear relationships that link interest rates to both the marginal rates of...

"Post war US data show that consumption growth causes output and investment growth. This is puzzling if technology is the driving force of the business cycle. I ask whether general equilibrium models driven by demand shocks can rationalize the observed causal relations. My conclusion is that...