The existence of non-linear dynamics in the prices of financial commodities is an endemic feature and one of the most fundamental stylized facts in the literature. This study, conditioning on weather shocks, investigates the nature of the existing predictive power between natural gas spot and...

This paper assesses the quantitative impact of government interventions on deaths related to the COVID-19 outbreak. Using daily data for 32 countries and relying on the stringency of the conducted policies, we find that the greater the strength of government interventions at an early stage, the...

This paper compares news in Twitter with traditional news outlets and then emphasizes their differential impact on Eurozone's sovereign bond market for a homogeneous news topic. We find a two-way information flow between Twitter's “Grexit” tweets and the respective mentions in traditional...

The shadow economy (SE) is a pathological normalcy, not only in developing countries but also in developed ones, causing disagreeable distortions in the real economy. In this paper, we estimate the size of the informal sector in nineteen countries of the European Union (EU) by implementing three...

We employ a Mixed-Frequency VAR to study the effect of four valuation ratios (the price-dividend ratio, the price-earnings ratio, the Cyclically Adjusted Price Earnings Ratio and the Total Return Cyclically Adjusted Price Earnings Ratio) on the US stock market. We quantify the interaction...