Applied Econometrics, Spatial Econometrics, Evaluation of Education Policy
Walker’s research and teaching interests are in spatial econometrics and some semi-parametric estimation and testing. She has worked on applications in a variety of fields, including taxation issues, education, and health care utilization. In addition to her academic research, she has participated in some international public finance work and consulted for AT&T and Bell South. She has published numerous articles in such journals as Econometrica, Journal of Econometrics, Journal of Urban Economics and the National Tax Journal.