Economic Impact studies have been a popular research topic among Economists. These studies look at the direct, indirect and induced effect of hosting or bidding on sporting, cultural or other events. This paper identifies a few of the more popular methodologies for conducting an economic impact study as well as the benefits, drawbacks and reasons for using each method. As well, an economic impact assessment of the 2015 Canada Winter Games is carried out using 2 methods. --Leaf ii.