In this video I analyze Moz's 2014 Local Search Ranking Factors study and point out that Domain Authority (DA) is one of the most important ranking factors.
Here is the link to the original study: http://moz.com/local-search-ranking-factors
Link to screenshot with notes: http://screencast.com/t/40SuojDOQnir
Other critical components are Page Authority (PA) and quality/authority of inbound links and structured & unstructured citations.
I mention how Semantic Mastery teaches ways to boost both Domain Authority and Page Authority very quickly and also reveal our approved source for building the highest quality citations, BrightLocal's Citation Burst service: