The trends and consequences of terrorist activities are often captured bycounting the number of incidents and casualties. More recently, the effects of terroristacts on various aspects of the economy have been analyzed. These costs aresurveyed and put in perspective. As economic consequences are...

BEA’s national economic statistics provide a comprehensive view of U.S. production, consumption, investment, exports and imports, and income and saving. These statistics are best known by summary measures such as gross domestic product (GDP), corporate profits, personal income and spending,...

Reform of the welfare state is at the centre of political debate. In a new book, CASEmembers analyse changes in social policies over the last twenty-five years, trends inspending, outcomes of policies, and impacts on institutions and families.The stereotypes of both left and right are wrong....

Model risk as part of the operational risk is a serious problem for financial institutions.As the pricing of derivatives as well as the computation of the marketor credit risk of an institution depend on statistical models the application of awrong model can lead to a serious over- or...

In Unternehmungen werden regelmäßig Entscheidungen über IT-Projekte getroffenmit dem Ziel, den Nutzen dieser Investitionen zu maximieren. Vor dem Hintergrund,dass rund zwei Drittel der IT-Projekte den prognostizierten Nutzen nicht erreichen,wird die Notwendigkeit einer ex ante Bewertung von...

This paper examines the impact of agency conicts on corporate nancing decisions. Werst build a dynamic contingent claims model in which nancing policy results from a trade-obetween tax benets, contracting frictions, and agency conicts. In our setting, partially-entrenched managers set the rms'...

We present the asymptotic properties of double-stage quantile regressionestimators with random regressors, where the first stage is based on quantile regressionswith the same quantile as in the second stage, which ensures robustness of the estimationprocedure. We derive invariance properties...

This paper shows that preferences alone cannot explain the patterns reported in the literature.

This paper proposes a novel methodology, based on the Common Principal Component analysis, allowing one to estimate the factors driving the term structure of interest rates, in the presence of time-varying covariance structure.