This dissertation comprises three distinct economic stduies. The first deals with the origin of business cycle fluctuations and the other two with the measurement of financial constraints and the identification of the respective treatment effect.

The present thesis studies the consequences of the financial expansion initiated at the end of The Glorious Thirty to spur a declining economic growth. Incidentally, this work questions the issue of measuring economic regularities through econometric tools. Thus, the first chapter carries out an...

Science, innovation, knowledge and digital technologies have played a fundamental role in the growth potential, social inclusion and environmental sustainability of countries in recent decades, and have become even more important in the context of the crisis caused by the coronavirus disease...