Showing 351 - 360 of 390
For change-point analysis of high dimensional time series, we consider a semiparametric model with dynamic structural break factors. The observations are described by a few low dimensional factors with time-invariate loading functions of covariates. The unknown structural break in time models...
Persistent link: https://www.econbiz.de/10011760304
High-frequency data can provide us with a quantity of informa- tion for forecasting, help to calculate and prevent the future risk based on extremes. This tail behaviour is very often driven by ex- ogenous components and may be modelled conditional on other vari- ables. However, many of these...
Persistent link: https://www.econbiz.de/10011760356
In order to integrate and facilitate the research, calculation and analysis methods around the Financial Risk Meter (FRM) project, the R package RiskAnalytics has been developed. Its main goal is to provide data processing and parallelized quantile lasso regression methods for risk analysis...
Persistent link: https://www.econbiz.de/10011619517
It is a challenging task to understand the complex dependency structures in an ultra-high dimensional network, especially when one concentrates on the tail dependency. To tackle this problem, we consider a network quantile autoregres- sion model (NQAR) to characterize the dynamic quantile...
Persistent link: https://www.econbiz.de/10011572028
In this paper we propose a new measure for systemic risk: the Financial Risk Meter (FRM). This measure is based on the penalization parameter () of a linear quantile lasso regression. The FRM is calculated by taking the average of the penalization parameters over the 100 largest US publicly...
Persistent link: https://www.econbiz.de/10011598919
Systemically important banks are connected and have dynamic dependencies of their default probabilities. An extraction of default factors from cross-sectional credit default swaps (CDS) curves allows to analyze the shape and the dynamics of the default probabilities. Extending the Dynamic Nelson...
Persistent link: https://www.econbiz.de/10011579056
PCA for expectiles. It can be seen as a dimension reduction tool for extreme value theory, where one approximates …
Persistent link: https://www.econbiz.de/10011550313
Counter to the credit channel of monetary transmission, monetary policy tightening induces a rise in lending by two different types of non-bank financial institutions (NBFI): shadow banks and investment funds. A monetary DSGE model is able to replicate the empirical facts when augmented with...
Persistent link: https://www.econbiz.de/10011550453
We analyze a novel feedback mechanism between market and funding liquidity that causes self-fulfilling liquidity dry-ups. Financial firms facing funding withdrawals have an incentive to acquire information about their assets. Those with good assets gain by resorting to outside liquidity sources...
Persistent link: https://www.econbiz.de/10011550489
A flexible framework for the analysis of tail events is proposed. The framework contains tail moment measures that allow for Expected Shortfall (ES) estimation. Connecting the implied tail thickness of a family of distributions with the quantile and expectile estimation, a platform for risk...
Persistent link: https://www.econbiz.de/10011349502