In this paper we propose a novel methodology to analyze optimal policies under model uncertainty in micro-founded macroeconomic models. As an application we assess the relevant sources of uncertainty for the optimal conduct of monetary policy within (parameter uncertainty) and across models...

In previous papers we have shown another interpretation of the irrationality of financial market agents. Another methodology has been proposed. But it also shown that others questions might be highlighted from both epistemological and social welfare point of view. This paper tries to go further...

This short paper analyzes the effect of heterogeneity of markets in terms of income on the exclusion of markets under uniform price by considering linear demand curves in all markets. We show that more markets (and consumers) are excluded the higher are the inter-market income differences, and...