Best of BS Opinion: Inevitability of classical economics, Covid-19 and more

From how people will remember Covid-19 as the event that led to job losses on a scale unimagined since the Great Depression, to the reasons why cross-border transference of costs — via colonisation or exchange-rate manipulation or quasi-monopolies in tradable goods — is no longer easy, to how leaders who had effortlessly sailed through previous threats to their popularity are struggling with this one, here's a selection of Business Standard Opinion pieces for the day.

As the global economy shrinks, and country after country is tempted to build a “Great Wall against China”, more losses of industrial jobs are