Obviously, there is some overlap between the two categories and issues like abortion or drug legalization could be seen as having economic aspects, but the separation of social and economic issues helps to illuminate and clarify political ideologies for analytical purposes.

FORBES: Exit Stage Left: Possible Societal Costs if the Economy Fails to Recover

Slovakia has made significant economic reforms since its separation from the Czech Republic in 1993.

FORBES: Slovakia

More recently, safety, and economic and investment issues created by vertical separation, have caused huge problems on Britain's rail network and there is increasing disenchantment with the industry structure in place.

ECONOMIST: Language barriers

Quinn told reporters that any separation project would have to address economic and safety concerns.

NPR: Gov. Quinn Open To Great Lakes-Mississippi Split

Under the plans, all schools are to be required to teach children aged seven to 11 about relationships including marriage, same sex and civil partnerships, divorce and separation under Personal, Social, Health and Economic Education.

BBC: Claim of U-turn on sex education