The transition from an authoritarian system to a more democratic form of government is referred to as democratization.
At least in the next couple of decades, he said, it is likely that "the authoritarian system will keep going and get stronger."
Popitz favored a return to the pre-1918 authoritarian political system.
But China's authoritarian system can also lead people elsewhere to ignore some powerful lessons about its economic experience.
"The people strongly demand an end to the authoritarian system," he said over the weekend before leaving for Washington.
Colombia has started to open its closed and authoritarian political system.
These include authoritarian, democratic and consensual systems of internal government.
Now it is the main official channel for popular dissent in China's authoritarian political system.
To the largest extent, transformation research addresses change from authoritarian to democratic media systems.
He is best known for his theories on totalitarian and authoritarian systems of government.