This paper presents an analysis of a recently invented new form of price regulation. An index of prices of monopolistically supplied goods must never exceed the retail price index minus X. The main results of the chapter are as follows: (i) If the constant X is politically chosen, price-cap...

We analyze the allocative role of money as a numeraire in an intertemporal general equilibrium model with incomplete financial markets and nominal financial instruments. It is shown that regardless of their return specification nominal assets in net supply increase the consumption risk and...

The main purpose of this paper is to analyze problems of financing an old-age insurance when birth rates are low and population declines or fertility fluctuates with time. A government then searches for optimal policies to cope with such problems. A first criterion could be seen in the Pareto...