On the Back of A Beer Coaster – Simple Estimates for Costs and Revenues in Business Modelling

Christian Lehmann and Christina M. Bidmon


Business model, financial planning, teaching entrepreneurship


Validating the profit formula of a business idea is a difficult task for students and entrepreneurs alike. With the “Business Coaster” we present a simple and playful tool that helps students to get in touch with numbers and design the value capture side of a business model.