Factors that impede the attainment of economic efficiency in the public sector are called . market failuresb. externalitiesc. government failuresd. voting irregularities

Government failures are the factors that impede the attainment of economic efficiency in the public sector.

Explanation:

The government is responsible for the implementation of schemes and policies for the betterment of it’s subjects. If the government fails in the implementation of these schemes which are mostly economic, it directly affects the economic efficiency of the nation.Most schemes introduced by the government are in the public sector. If the public sector fails to give returns that are expected, it is termed as a government failure.