Pepita Disco PPM : margins and elasticity - Hennessy, Julie, (SAGE, 2016)
Originally Published in: Hennessy, J., & Meagher, E. (2012). Pepita Disco PPM: Margins and Elasticity (Case revised 15/12/2014). 3-112-004. Evanston, IL: Kellogg School of Management, Northwestern University.