Human ingenuity will always be the intangible part of economic growth.

Concerning the creativity of street art, I would say, it flourishes politically and socially best, when economic conjuncture performs fine.

Better human capital will lead to higher per capita GDP.

I think the impact of street art to political or public involvement is not significant since not all city open to street art performers. Thus, political and social discussion mainly exist in discussion rooms, classrooms, mass media, or seminars.

عرف الرأسمال البشري تطورا ملحوظا حيث كان ولا يزال محل اهتمام المفكرين

نظريات شتى خاضت غمار البحوث في هذا المجال من المدارس القديمة والكلاسيكية الى

.المدارسس الحديثة التي تعمل دائما على تثمينه