I used data from GWWC’s latest impact evaluation.
Below are my estimates for the recorded donations per pledger-year across time. I think GWWC is overestimating the initial decay in donations, and maybe underestimating the decay in donations in later years.
I used data from GWWC’s latest impact evaluation.
Below are my estimates for the recorded donations per pledger-year across time. I think GWWC is overestimating the initial decay in donations, and maybe underestimating the decay in donations in later years.