Economics professors Paul Oyer, Mike Mazzeo, and Scott Schaefer have spent the past six years visiting small to medium-sized ventures around the world, gathering stories of success and failure. This MOOC (Massive Open Online Course) uses those stories to provide lessons that can help business leaders identify new opportunities and avoid pitfalls as their company reaches for the next level. Sign up today: http://stanford.io/1SsztYr | Stanford Graduate School of Business