When economists allan meltzer and scott richard say that government grows in a democracy because of the equality of suffrage, they mean that

When economists Allan Meltzer and Scott Richard say that government grows in a democracy because of the equality of suffrage, they mean that people in democracy use the government to secure benefits.

Allan Meltzer and Scott Richard, both are economists, have the rational theory about the size of the government, also known as the Meltzer-Richard model. 

the answer is b. hope this