In staggered price models, a non-CES aggregator of differentiated goods generates empirically plausible short- and long-run trade-offs between output and inflation: lower trend inflation flattens the Phillips curve and decreases steady-state output by increasing markups. We show that the...

In our incomplete markets economy financial frictions affect the optimal inflation target. Households choose portfolios consisting of risky (uninsurable) capital and money. Money is a bubbly store of value. The market outcome is constrained Pareto inefficient due to a pecuniary externality. Each...

In our incomplete markets economy financial frictions affect the optimal inflation target. Households choose portfolios consisting of risky (uninsurable) capital and money. Money is a bubbly store of value. The market outcome is constrained Pareto inefficient due to a pecuniary externality. Each...

The paper addresses and summarizes the role of unemployment in the transformation process from an economic system with a dominant state sector to a system with a dominant private sector. After reviewing the basic facts and some of the main explanations why unemployment is high during transition...