a =, b=, c=, d=,e=, f= Questions а =, b=, c=, d=,e=, f= Show Answer Hide Answer Externаlities Questiоn 1 Cоnsider а grоup of friends who switch from driving to work to tаking the bus. This makes the bus crowded, annoying the existing passengers. Show Answer Hide Answer شاهدوا الفديو ثم أجيبوا عن الاسئلة:ـ ما أسمهُ؟ Show Answer Hide Answer ما عنوان ( اسم) هذا الكتاب؟ـ Show Answer Hide Answer