New Haven's economy originally was based in manufacturing, but the postwar period brought rapid industrial decline; the entire Northeast was affected, and medium-sized cities with large working-class populations, like New Haven, were hit particularly hard.
A economía de New Haven orixinalmente estaba baseada na maufactura, pero o período de posguerra trouxo un rápido descenso industrial; todo o nordés dos Estados Unidos víuse afectado, e as cidades de tamaño medio con grandes poboacións de clases traballadoras, como New Haven, foron golpeadas con dureza.