This paper shows a standard RBC model, when augmented with a VAT evasion channel, where evasion depends on the consumption tax rate, can produce a hump-shaped consumption Laffer curve. Furthermore, when the evasion channel is turned off, the hump in the Laffer curve disappears, resulting in a...

Labor mobility is commonly taken as a property of an optimal currency area. But how does that property affect the outcome of fiscal policies? In our model, we show that perfect (costless) labour mobility is not necessarily welfare improving, since it prevents the national fiscal authorities from...

Labor mobility is commonly taken as a property of an optimal currency area. But how does that property affect the outcome of fiscal policies? We address this issue with a two country - two period model, where both asymmetric and symmetric productivity shocks may hit the countries. We show that...