A host of actions by United States (US) President Donald Trump’s administration to restrict the intake of foreign students by American educational institutions has clouded the future of many Indians aspiring to study in that country. The recent moves include revoking Harvard university’s certification to enrol new international students, temporarily suspending the scheduling of new student visa interviews, and issuing directions for stringent social-media screening of foreign students before granting them F-1 student visa.
But that begs the question: Can the US afford to drive away its international students? It can’t, suggest data. According to Raghuram Rajan, former governor of

)