抄録
Reproduction of the declining shopping center in the central city area has been a subject in many district minor cities. On the other hand, there is a way which reproduces it by supplying a high quality residence there, and increasing settlement population. One of the enterprise techniques which realize it is Tsukuba system. We compared Tsukuba system with Equivalent Exchange system on enterprise profit, and it turned out that Isukuba system was advantageous in low floor are ratio type redevelopment, and became advantageous also in high floor area ratio type redevelopment according to a landowner's enterprise management policy.
