Find several articles that assess the validity of the median voter theorem. Critique advantages and disadvantages of the median voter theorem in elections, public goods, and majority rule.
The advantages of the median voter theorem in elections are that, where there is a majority based elections, two major parties emerge (a). Third parties and extreme candidates rarely win. This simplifies the choice for the electorate. The campaign platform of major parties tends to move towards each other during general elections campaign (b). The disadvantage during the elections is that political parties converge during majority based elections. Differences between the two major parties are not very great. During elections, voters have a narrow choice.
The advantage with respect to public goods is that the representative elected in a majority based election will have a desire to serve the public interest. To ...
This posting gives you a step-by-step explanation of Median Voter Theorem. The response also contains the sources used.