This article presents a simple condition for optimal coordination of social security policies in the union of two open economies employing different production functions and within which capital and labour are fully mobile. We find that if both countries run fully funded pension schemes, the...

The central question of this paper is how international trade and specialization are affected by different designs of pension schemes and asymmetric demographic changes. In a model with two goods, two countries and two production factors, we find that countries with a relatively large unfunded...

This paper provides an explanation as to why population ageing is associated with deflationary processes. For this reason we create an overlapping-generations model (OLG) with money created by credits (inside money) and intergenerational trade. In other words, we combine a neoclassical OLG model...