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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 ...
Financial Bridges and Network Communities
(2018-09-29)
We analyze the global financial crisis and the European sovereign debt crisis showing that the European network exhibits a strong community structure with two main blocks acting as shock spreader and receiver, respectively. ...
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 ...
Credit Scoring in SME Asset-Backed Securities: An Italian Case Study
(2019-10-14)
We investigate the default probability, recovery rates and loss distribution of a portfolio of securitised loans granted to Italian small and medium enterprises (SMEs). To this end, we use loan level data information ...
Impact of public news sentiment on stock market index return and volatility
(2021-10-11)
Recent advances in natural language processing have contributed to the development of market sentiment measures through text content analysis in news providers and social media. The effectiveness of these sentiment variables ...
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 ...