A sequential game can be used to analyze whether a retail firm should build a large store or a small store in a city, when the correct choice depends on whether a competing firm will build a new store in the same city. Which of the following is used to analyze this type of decision?

Answer: Decision tree

Explanation: A support tool that uses a tree like model for decision making by evaluating the possible consequences by taking into consideration chance event outcomes, resource cost and utility. Largely used in non parametric effective machine, it is a learning modelling technique for regression and classification problems.