They accentuate positive liberty (empowerment) over negative liberty (freedom from coercion).

ECONOMIST: Bagehot

That, at its heart, is the too-easily-forgettable case for liberalism, for the belief in negative liberty, the freedom to choose, which this newspaper has always advocated.

ECONOMIST: Liberty, equality, humility

Freedom from constraint by others (negative liberty) is more urgent or basic, he argued, than freedom to realise your potential (positive liberty).

ECONOMIST: Isaiah Berlin

If one tightened his criteria slightly and excluded countries with negative credit outlooks, the freedom performance premium would have been even greater.

FORBES: Shaking The Nations

It is furthermore clear today that building a culture to support press freedom is generally a lengthy process, while what has been won for press freedom can also be lost in a matter of months when negative forces gain control of a country.

UNESCO: World Press Freedom Day 2013