US Secretary of State John Kerry in front of Apec summit sign
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Barack Obama's absence at Apec summit 'does matter'

7 October 2013 Last updated at 02:25 BST

Leaders of Asia-Pacific countries are gathering on the Indonesian island of Bali for the annual Asia-Pacific Economic Co-operation (Apec) summit.

One key figure is missing though - US President Barack Obama. He cancelled his trip due to the partial US government shutdown.

He was supposed to be discussing an ambitious 12-nation free trade agreement known as the Trans-Pacific Partnership (TPP).

The BBC's Chief business correspondent, Linda Yueh explains the TPP and whether President Obama's absence will jeopardise the talks.