Notes, Comments and Preliminary results Jun 30 2022 Michael Polemis and Thanasis Stengos   Life expectancy during the Covid-19 pandemic: A semi-parametric difference-in-differences analysis   Abstract  Contact Information  Citation  Full Text  -  Note   Dec 29 2021 Michael Polemis and Aikaterina Oikonomou   The Impact of Lockdown on Hotel Performance: A Difference-in-Differences analysis for the US   Abstract  Contact Information  Citation  Full Text  -  Note   Dec 24 2019 Michael Polemis   Is the effect of corruption on entrepreneurial activity nonmonotonic? A semi-parametric panel data analysis   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 30 2015 Michael L Polemis and Panagiotis N Fotis   Rent seeking oligopolistic behaviour in European gasoline markets   Abstract  Contact Information  Citation  Full Text  -  Note