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Systemic risk for financial institutions of major petroleum-based economies: The role of oil
(2017-11-05)
This paper examines the relationship between oil price movements and systemic risk of many financial institutions in major petroleum-based economies. We estimate ?CoVaR for those institutions and thereby observe the presence ...
High-Dimensional Sparse Financial Networks through a Regularised Regression Model
(2019-02-12)
"We propose a shrinkage and selection methodology specifically designed for network inference using high dimensional data through a regularised linear regression model with Spike-and-Slab prior on the parameters. The ...
Inside the ESG Ratings: (Dis)agreement and Performance
(2020-07-31)
We analyze the ESG rating criteria used by prominent agencies and show that there is a lack of a commonality in the definition of ESG (i) characteristics, (ii) attributes and (iii) standards in defining E, S and G components. ...
Time-varying granger causality tests for applications in global crude oil markets: A study on the DCC-MGARCH Hong test
(2021-10-14)
Analysing causality among oil prices and, in general, among financial and economic variables is of central relevance in applied economics studies. The recent contribution of Lu et al. (2014) proposes a novel test for ...