India has better options than banning rice exports
Frequent policy changes may jeopardize country's leading market position
Rice sacks in a market in Ahmedabad: India currently holds about 40% of the global rice export market, sending its grain to more than 130 countries.
Poornima Varma is an assistant professor with the Indian Institute of Management Ahmedabad's Centre for Management in Agriculture.
India, the world's largest rice exporter, last month banned overseas shipments of non-basmati white rice to try to curb rising domestic prices.
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