76/4, 89/14, 96/33: The New Fundraising Rules You Need to Know

As a fundraiser, you probably know the 80/20 rule: About 80 percent of your gifts will come from approximately 20 percent of your donors. The 80/20 rule is based on the Pareto concept: a small proportion of causes produces a large proportion of result. The general 80/20 rule appears in many different professions, including science, […]