Will tariffs on India work? Here’s a shiny clue

President Donald Trump has decided that India’s failure to provide “equitable and reasonable” access to its market means it’s no longer eligible to export certain goods duty-free to the U.S.

The 43-year-old U.S. Generalized System of Preferences, the privilege India now loses, is part of a shared commitment by developed countries to promote export-oriented growth in emerging economies. Washington also has a long history of using it to make trading partners fall in line.

The mo ..