Indian companies have long exulted in the profits they earn by producing goods from polluting industries that the West typically avoids on account of their stringent anti-pollution laws. A similar story could play out as the world seeks to lower carbon emissions. But given that carbon emissions impact the entire planet, the initial gains by Indian industry from such CO2 arbitrage may be wiped out by increasingly uncomfortable international relations, writes Ajay Shah, suggesting that it would be better if non-financial firms started simulating each business as if it operated under OECD levels of carbon taxation. Read it