Using recent data on the unvaccinated across U.S. states, this paper focuses on the determinants of vaccine hesitancy related to the COVID-19 pandemic. Results show that more prosperous states and states with more elderly and physicians have lower vaccine hesitancy. There was some evidence of...

This paper provides a long term analysis of the determinants of the shadow economy. Using data for the United States over the years 1870–2014 we examine economic and political factors driving the underground sector. Results show that among the economic factors, greater economic prosperity...