Abstract
Recently, an endemic operetion rules for a various bidding-contract system has been tried on local public works in japan. Overall-Evaluaton system expected for improved quality and anti-dumping, however that treading cost is relativery high, and questionable benefit of that system. In this paper an attempt is made to analysis an impact of bidding-contract system for each constructer's management by developing new simulation model, clarified some of characteristic of Overall-Evaluation system.
