Aging is an unstoppable process and it remains a major challenge for the sustainability of the PAYG pension system in most developed countries, including in Spain. Many countries need to introduce reforms of their pension systems in order to control their expenditure, and in some cases this has...

We propose a two-region two-sector model of uneven development, where technological change benefits either the lagging or the leading region. In this framework inter-regional transfers may lead to persistent underdevelopment; by raising wages without changing productivity, transfers reduce the...

This paper analyzes optimal monetary policy in a two-country model with asymmetric shocks. Agents insure against risk through the exchange of Arrow-Debreu securities. Although central banks commit to the policy that maximizes domestic welfare, this does not lead to price stability. In an attempt...