%A Paranjoy Guha Thakurta %T Polyester Prince Revisited %! Polyester Prince Revisited %X The polyester wars of the mid-1980s that pitted one industry group against another are back with us. On the basis of an investigation begun by the United Progressive Alliance government, the National Democratic Alliance government has imposed an anti-dumping duty on purifi ed terephthalic acid, an important input for production of many polyester products. The user companies argue that there is no evidence of dumping of imports and allege that the duty has been imposed to benefit domestic producers of PTA, of which there are only three and of whom the public sector producer has not complained of dumping.