This paper proposes a novel regularisation method for the estimation of large covariance matrices, which makes use of insights from the multiple testing literature. The method tests the statistical significance of individual pair-wise correlations and sets to zero those elements that are not...

In accordance with Basel Capital Accords, the Capital Requirements (CR) for market risk exposure of banks is a nonlinear function of Value-at-Risk (VaR). Importantly, the CR is calculated based on a bank's actual portfolio, i.e. the portfolio represented by its current holdings. To tackle...

It is argued that the concept of well–being inequality cannot be properly defined without taking the referencing process into account. The reference effect depends on how frequently individuals compare with others and on the degree of social transparency in society. In this paper we employ the...

An increasing number of central banks implement monetary policy via two standing facilities: a lending facility and a deposit facility. In this paper we show that it is socially optimal to implement a non-zero interest rate spread. We prove this result in a dynamic general equilibrium model...

This paper studies the impact of a financial transactions tax on a financial market where financial institutions trade with each other. Assets are marked to the market and financial institutions with negative equity are forced out of business. There are two main results: First, if all banks have...

This paper provides a framework for modeling the risk-taking channel of monetary policy, the mechanism how financial intermediaries' incentives for liquidity transformation are affected by the central bank's reaction to financial crisis. Anticipating central bank's reaction to liquidity stress...

This paper proposes a new double-question survey method that elicits information about how individuals subjective belief valuations are compared and related to their price expectations. An individual respondent is presented with two sets of questions, one that asks about his/her belief regarding...