Cost of Modi tax win has yet to be paid

New Delhi

PRIME Minister Narendra Modi this week won India's biggest economic reform in decades. Now economists are trying to calculate the cost.

After the landmark national sales tax is written into the constitution, the government and lawmakers will need to set the levy that will sweep away state-by-state taxes on US$2 trillion of goods and services. The higher it's fixed, the more it risks stoking one of Asia's fastest inflation rates, damping consumption and hurting company profits.