In a world of radical uncertainty the frequency distributions of economic variables deviate from the normal distribution and typically exhibit fat tails. We show that this feature is obtained in simple models where agents have cognitive limitations and fail to understand the underlying model....

In contrast to the USA, Europe has struggled to return to the growth path it was on prior to the financial crisis of 2007-11. Not only has the recovery been slow, it has also been variable with Europe's core countries recovering more quickly than those on the periphery. It is widely believed...

This chapter provides a critical overview of the state of the art in the economics literature on structural reforms. It takes stock of theoretical developments, measurement efforts and of the econometric evidence. We start with a simple theoretical framework for the relationship between...

We test the hypothesis that the government bond markets in the Eurozone are more fragile and more susceptible to self-fulfilling liquidity crises than in stand-alone countries. We find evidence that a significant part of the surge in the spreads of the PIGS countries in the Eurozone during...

We study the evolving operating procedures used by the ECB since its creation. During the period up to 2015, bank reserves were scarce and the ECB, like other central banks, used a corridor system in which the money market rate could fluctuate within the bounds set by the lending and the deposit...

The major central banks now operate in a regime of abundance of bank reserves. As a result, they can only raise the money market rate by increasing the rate of remuneration of bank reserves. This, in turn, leads to large transfers of the central banks' profits (and more) to commercial banks that...