The proposal of Dr. Eran Leck, a senior researcher at the Samuel Neaman Institute, "The winners and losers of the covid-19 pandemic in Israel and France: an assessment of the long-term effects of the crisis on the welfare and best of the population", submitted under the Israel-France bi-national programs, was funded by the Ministry of Innovation, Science and Technology. The study is carried out in collaboration with the Paris Political Science Institute – Sciences Po. The research team includes Dr. Yael Albo and Dr. Eran Zaidis of Western Galilee College. The purpose of the study is to model and predict the factors related to objective and subjective well-being of the Israeli and French populations in the stages of the end of the pandemic and recovery from it, using integrated panel data based on probability and digital trace data.