Background is UChicago undergrad alum (not economics). I currently teach and do research in a business school (accounting, some finance). I would go with Chicago. The quality of the faculty in the areas you mention (economics and finance) is my reason. I know of the great work of faculty in these fields at both schools. I believe Chicago edges out Yale. Chicago Booth is super in finance and Chicago’s economics department is extraordinary. Also, the common core makes you a better thinker and writer whatever area you enter. Given your interests, you have been accepted at the two premier schools! Congratulations.