We examine the optimal policy response to an exogenously given demographic shock. Such a shock affects negatively the financing of retirement pensions, and we use optimal fiscal policy in order to determine the optimal strategy of the social security administration. Our approach provides...

We examine the optimal policy response to an exogenously given demographic shock. Such a shock affects negatively the financing of retirement pensions, and we use optimal fiscal policy in order to determine the optimal strategy of the social security administration. Our approach provides...

In October 2008 a mysterious article was published under the pseudonym Satoshi Nakamoto: “Bitcoin: a peer-to-peer electronic cash system”. Bitcoin's entry into operation some months later in early 2009 barely caused a ripple. Since then, the scheme has accumulated more than half a million...