To qualify for admission, you need a strong record in courses such as intermediate microeconomics and macroeconomics, calculus, and statistics. However, an economics major is not required.
All application materials must be submitted no later than midnight on January 15. Our Admissions and Financial Aid Committee begins to review applications in early February. Admission and aid offers typically begin in late February. We do maintain a wait list which is very often active through April 15th.
FAQS from Graduate School of Arts and Sciences: http://gsas.virginia.edu/admission/faq