This paper characterizes the shape of the Laffer curve for consumption tax analytically, considering (i) the functional form of utility and (ii) the use of tax revenue in a neoclassical general equilibrium model. The tax revenue curve for consumption tax cannot be hump-shaped if the utility...

A news-driven business cycle is a positive comovement of consumption, output, labor, and investment from the news about the future. We show that nominal rigidities, especially sticky prices, can cause it in an estimated medium-scale DSGE economy.

A recent study shows that equilibrium indeterminacy arises if monetary policy responds to asset prices, especially share prices, in a sticky-price economy. We show that equilibrium indeterminacy never arises if the working capital of firms is subject to their asset values by financial frictions.

An internal habit can be a source of news-driven business cycles, positive comovements in consumption, labor, investment, and output from the news about the future, whereas an external habit cannot.

We apply business cycle accounting (BCA) to data generated by a representative model with investment wedges. Based on our findings, the criteria of BCA lead us to conclude that models with investment wedges are not promising for modeling business cycles.

In this paper, we introduce an index of structural changes of the economy, and investigate the relationship between economic growth and structural changes in the Japanese economy We find that (i) there is no clear relationship between structural changes and business cycles in the short run...