"This research note asserts that impact investment, which is intended to create positive social or environmental impact beyond financial return, constitutes a new asset class. The report also includes the first large-scale data analysis of return expectations from more than 1,000 impact investments and compares them to established benchmarks for emerging and developed market debt and equity returns. We hope this report helps to advance a broader understanding of impact investing as an appropriate and economically effective way to complement government and philanthropy in solving the world's greatest problems at scale."