The way in which the rope pump was successfully designed and introduced by Demotech may be repeated with her other design initiatives. We want to learn what the right conditions for this work are. We want to find out if by this work the capacity for experiencing the joy of poor people can be enhanced. We want to find if the interaction between joy and economy that seemed to be inverted can be corrected. We want to find out if a different economy based on a different technology can cure the lack of joy the present economy brings to the rich.\\