Economics 1st Edition by Dean Karlan,Jonathan Morduch

تمرين 26

Imagine that you have a program on your cell phone that allows you to walk up to any item in the supermarket and have your phone recognize it and display all the necessary information about the product. The program tells you where and how it is made, and when it is predicted to go on sale next. Does a firm selling goods in this setting need to advertise? Why or why not?