Avoter has seen his income increase by 3% over the past four years. he is encouraged that unemployment is down and the price of gas has remained relatively low. on election day, by voting for the incumbent presidential candidate, he has engaged in which type of voting?
a. rational-choice voting
b. retrospective voting
c. prospective voting
d. party-line voting

(B) Retrospective voting

Explanation:

 The retrospecting voting is one of the type of voting that can be made by taking all the political party and the administration performance factors into the considerations.

 It is one of the important mechanisms for representing the democracy as well as its policy performance and in this form of voting the voters are firstly judge the power and then performance of the political party.

According to the given scenario, on the election day he is engaging with the retrospective voting for the presidential candidate.

Therefore, Option (B) is correct.