Introduction
Carbonated Soft Drinks (CSD) have a long history. Carbonated soft drinks have dominated the non-alcoholic beverage market for more than half a century. Coca Cola and PepsiCo are the two main competitors in this industry. Over the period of last 50 years Pepsi and Coke have enjoyed duopoly in the CSD market. Apart from the exception of one Dr. Pepper product, Pepsi or Coke always filled up the top ten selling brands in the CSD business. Coke and Pepsi have battled against each other fiercely to gain market share and brand loyalty. If in some decades Pepsi succeeded, Coke succeeded in ...