Walker’s areas of focus include economic policy and quantitative methods. While at PERC, Walker has helped spearhead analysis examining how consumer credit scores (and credit availability and price) are effected with the inclusion of different types and amounts of payment information in their credit files.
While in the Ph.D. program at Duke University (ABD), he taught undergraduate econometrics and microeconomics. Walker received an M.A. in economics from Duke University and a B.A. in economics and mathematics from the University of North Florida.