As more people join the scheme, the pyramid grows, and the flow of money from new investors is used to pay returns to those above them. Eventually, the scheme collapses when there are not enough new investors to sustain the payouts, leading to significant losses for most participants. The ...
Kruger, M.J., Van Rensburg, J.B.J. & Van den Berg, J. Perspective on the development of stem borer resistance to Bt maize and refuge compliance at the Vaalharts irrigation scheme in South Africa.Crop Prot.28, 684–689 (2009). ...