Showing 1 - 9 of 9
Between 1999 and 2006, Brazilian cities experienced strong growth in the provision of internet services, driven in part by the privatization of the telecommunications industry. A main concern of policymakers is that digital technology replaces routine, manual tasks, displacing lower-skilled...
Persistent link: https://www.econbiz.de/10011774966
This study examines the causal influence of digital technologies, specifically operational (ODT) and information digital technologies (IDT), on firms’ employment structure using Italian firm-level data. It employs a unique empirical approach, constructing instrumental variables based on...
Persistent link: https://www.econbiz.de/10014514980
We show that digital capital and working from home were essential for the resilience of local labour markets in the context of the COVID-19 crisis in Germany. Employment responses differed widely across local labour markets, with differences in short-time work rates of up to 30 percentage points...
Persistent link: https://www.econbiz.de/10014530431
In this study, we compare the out-of-sample forecasting performance of several modern Value-at- Risk (VaR) estimators derived from extreme value theory (EVT). Specifically, in a multi-asset study covering 30 years of stock, bond, commodity and currency market data, we analyse the accuracy of the...
Persistent link: https://www.econbiz.de/10011587888
We propose a novel method of Mean-Capital Requirement portfolio optimization. The optimization is performed using a parallel framework for optimization based on the Nondominated Sorting Genetic Algorithm II. Capital requirements for market risk include an additional stress component introduced...
Persistent link: https://www.econbiz.de/10011587953
We measure the economic risk of epidemics at a geo-spatially detailed resolution. In addition to data about the epidemic hazard prediction, we use data from 2014-2019 to compute measures for exposure, vulnerability, and resilience of the local economy to the shock of an epidemic. Using a battery...
Persistent link: https://www.econbiz.de/10012156716
This paper considers the problem of model uncertainty in the case of multi-asset volatility models and discusses the use of model averaging techniques as a way of dealing with the risk of inadvertently using false models in portfolio management. In particular, it is shown that under certain...
Persistent link: https://www.econbiz.de/10002523934
Persistent link: https://www.econbiz.de/10003641741
We examine how the tail risk of currency returns over the past 20 years were impacted by central bank (monetary and liquidity) measures across the globe with an original and unique dataset that we make publicly available. Using a standard factor model, we derive theoretical measures of tail...
Persistent link: https://www.econbiz.de/10014336426