The first phase of Proto Nonprofit development requires a comparison between an investment in the prototype vs. a donation or investment in an established program. In this case, investment returns are defined relative to the needs of an end user type. For example, projected increase in the median household income of >10K end users over a five year period. This logic is similar to the thinking behind an impact audit, but very different from the classic definition of investment returns as they relate to securities.
Global Access is one of the policies charitable foundations may use to ensure that each grant dollar generates the maximum potential benefit. As such, it is helpful to know whether Global Access is in force for the established program you select as a benchmark. The remainder of this post is an excerpt of Global Access language from a grant agreement between Arsanis Inc. and the Gates Foundation. The Foundation holds a 5.1% stake in Arsanis (as of 2/13/18), whose valuation at IPO was $136M with $40M raised.
Full text is available through the EDGAR database.