We all seem to understand that bad execution taxes the business, literally and figuratively. But do you know by how much? A twenty-year-old article in the Harvard Business Review estimates that poor execution leads to underperformance of between 60-100%, and this is just the direct impact! In the long term, it creates a permanent and devastating culture of poor performance. Though this article focuses on large companies, growth-stage founders can learn from these findings to improve their own company’s performance.