Insights and Opportunities: Closing Thoughts and Sponsor Highlights

After backing Russia’s grievances against NATO, China now finds itself treading a very fine line on Ukraine. There are often reasons to be suspicious of a country’s covid-death tally; we examine research showing how fraud can be spotted mathematically. And why women are less likely than men to be corrupt. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer