In this study we apply the Elliott's Wave theory to the index S&P 500 for a period of three years, starting from the October 2008 and until December 31, 2011. An analytical forecast for the first half of 2012 has been carried out. Our principle empirical findings underline that the evolution of...

The health care expenditure in Italian regions is examined, applying the model selection procedure and panel methodologies to identify the determinants of health expenditure at the state level. After a brief introduction and a survey of the economic literature on this issue, we discuss the data...

Wagner's Law is the first model of public expenditure in the history of public finance. It suggests that during the process of economic development the share of public spending in national income tends to expand (Wagner, 1883). Nevertheless, Peacock and Scott in 2000 wrote a paper entitled...

This paper examines the relationship between renewable energy consumption and economic growth in Brazil, in the COVID-19 pandemic. Using an Artificial Neural Networks (ANNs) experiment in Machine Learning, we tried to verify if a more intensive use of renewable energy could generate a positive...

The Coronavirus Disease 2019 (COVID-19) continues to be a constant threat in 2022 and is important to design appropriate vaccination campaigns to face next pandemic impacts driven by new variants. This study develops a Machine Learning experiment that shows, between countries, a rapid reduction...