Agrowing movement among economists to model phenomena such as interregional and international trade as well as the rise of cities as different aspects of the same phenomenonlong dash—economic interaction across spacelong dash—is referred to as?

It is referred to as economic geography.

Explanation:

Economic geography is a  study of human's economic activities under varios conditions and is oftenassociated with production, location, distribution, consumption, exchange of resources, and spatial organization of economic activities across the world.

By comparing these  economist canunderstand the structure of the area's economy and its economic relationship with other areas around the world.