Social commerce is an emerging trend in which online shops create referral hyperlinks to other shops in the same online marketplace. We study the evolution of a social commerce network in a large online marketplace. Our dataset starts before the birth of the network (at which points shops were...

This thesis consists of five related essays which explore new approaches to help design successful and profitable new products. The primary focus is the front end of the process where the product development team is seeking improved input from customers and improved ideas for developing products...