MILAN – Looking at the economic landscape as 2021 draws to a close, one cannot help but notice the emergence of new obstacles to a robust recovery. The United States, Europe, China, and others face a growing list of remarkably similar short- and longer-term challenges.  The pandemic remains the most immediate concern. Without full global vaccination, new Covid-19 variants will continue to emerge, potentially forcing governments to renew partial or full lockdowns. The coronavirus thus r