Communism
This is an example of central planning in which everything is directed by the government. These types of economies tend not to do well because as the question states the incentive for individuals is taken away.
A representative democracy is similar to a constitutional monarchy because power in both governments is limited.
A representative democracy is when the people are allowed to vote for their leaders to serve for them in the government such as electing the President. A constitutional monarchy is when a monarch is held back by the law and Parliament.
B. Race riots in Chicago and other cities