Foreign firms hold trivial amounts of domestic financial assets (under 2%), and play only a marginal role in any domestic sector.

ECONOMIST: China's financial system

Growth of output in the manufacturing sector was only moderate, while a marginal rise in new orders offset the fall in new business reported by the service sector.

BBC: Scottish business going through soft patch, says survey

At its core it pledges the notion that the informal economy is made up of marginal activities that are distinct and largely unrelated to the formal sector.

FORBES: Informality: A Marker Of Opportunity