"The effect of demonetisation would remain for one or two quarters but its effect on economy would be seen in long term," Jaitley told reporters on the sidelines of the 'Made in Odisha' Conclave here.
He thanked Odisha Chief Minister Naveen Patnaik for backing the demonetisation and the Goods and Services Tax (GST).
Elaborating the effects of the two major decisions, he said: "I believe both decisions would prove a game changer. GST will ensure higher taxation as far as Centre is concerned, state is concerned... It's a more efficient system. It plugs leakages and it will certainly help state like Odisha.
"While the currency change are concerned, once the remonetisation process is completed and the economy gets back to full speed, the size of the GDP will expand.
"Money coming to banks will be used more fruitfully for the benefit of the economy and together these two things have the potential to exaggerate what the Centre and the state are doing."
Hailing the high growth rate of Odisha this year, Jaitley said: "If Odisha's GDP grows faster than the national GDP, then it will also help in improving the GDP of the country."
He said the Odisha government will have complete support of the central government for its Make in Odisha campaign.
"Odisha, a state which conventionally had a very high percentage of people below poverty line, is now trying to improve upon its growth rate. And its growth rate in recent times have significantly improved. Poverty level has come down," he said.
Odisha registered a GDP of 9.2 per cent, two per cent higher than the national GDP.
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