US President Barack Obama welcomed the multilateral trade agreement, saying it would eliminate red tape and bureaucratic delay for goods shipped around the globe.
"Small businesses will be among the biggest winners, since they encounter the greatest difficulties in navigating the current system. By some estimates, the global economic value of the new WTO deal could be worth hundreds of billions of dollars," he said.
In the first-ever agreement reached after the launch of the Doha Round of trade talks, ministers from 159 countries approved the Bali package.
Overcoming a string of failures over the years, the WTO reached the landmark agreement that can help boost global trade by USD 1 trillion, while taking on board concerns of countries like India to protect its food security scheme to provide subsidised grains to the poor.
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British Prime Minister David Cameron said the "historic" agreement could be a "lifeline" for the world's poorest people, as well as benefiting British businesses to the tune of more than USD 1 billion.
"The breakthrough agreement reached in Bali by the World Trade Organisation (WTO) reaffirms the commitment of the international community to an open trade system which boosts global growth and jobs, and cuts poverty," said Christine Lagarde, Managing Director of IMF.
In a statement, Lagarde said she fully support WTO Director General Roberto Azevedo's determination to use this opportunity to move the broader Doha Development Agenda forward, and overcome the significant challenges that still lie ahead.