Students choose to major in economics for two strong reasons. They want deeper understanding of economic phenomena and they enjoy the rigorous reasoning. A weak reason for majoring in economics is for the sake of career. Career prospects are brighter with academic success. Success is more likely when a student chooses a major where the subject matter is interesting and the required skills match a student's abilities.
Success is more important than field.
Choose a field where success is likely. Choice of undergraduate major has only a modest association with ultimate career. Some of the faculty in this Department majored in physics, mathematics, and engineering as undergraduates. One need not major in economics in order to become a profeccional economist. A majority of Vanderbilt's economics majors enter professional schools within a few years of graduation.