https://www.selleckchem.com/pr....oducts/bromelain.htm
Crowdfunding was first used by individuals and entrepreneurs to collect small-sized investments from crowds to support for-profit ventures, but now it is being touted as a valuable alternative to raise money for non-profit causes. Similar to various online settings, a key challenge for online charitable crowdfunding platform is the problem of donor retention. In this research, we disentangle donor retention behavior and build up a structural model to jointly examine donors' donation and latent attrition. By incorporating donation rela