This paper derives a central bank's objective function and optimal policy rule for an economy with both CPI and PPI inflation rates. It implements constrained-optimal policy rules with minimal information requirement, and evaluates the robustness of these simple rules when the central bank may...

The international welfare effects of a country’s monetary policy shocks have been controversial in the literature. While a unilateral monetary expansion increases the production efficiency in each country, it affects terms of trade in favor of one country against another depending on the...