Universities and academics:
Blavatnik, University of Oxford
Melinda Mills at University of Oxford
Harvard COVID-19 Response White Papers and Harvard public sector resources
Yale YPFS Financial Intervention Tracker
Vienna Institute for International Economic Studies Coronavirus tracker on Eastern Europe
European Economic Association publications on covid
Organisations:
European Trade Union Confederation
UNCTAD on global FDI, CAPEX, greenfield investments, M&As, and MNE earning estimates
US Chambers of Commerce Global Dashboard on COVID-19 Government Policies
Surveys:
Policy specific:
OECD employment and social policy responses to Covid and OECD tax policy measures
Covid and health care capacity
Mayer Brown on travel restrictions
Media:
Modelling and data:
This list incorporates some of the excellent lists mentioned on twitter by Max Roser and Lukas Lehner, both at the University of Oxford (and Lukas also very helpfully suggested many additional and excellent resources! For a more exhaustive up to date list, please refer to his extensive tracker at: https://lukaslehner.github.io/covid19policytrackers/)