COCOMO Model, Software Engineering (BCA, MCA. Cocomo Model (Constructive Cost Model Introduction). Software Engineering Tutorials - Duration. European bus simulator 2012 german to english patch. The Constructive Cost Model (COCOMO) is a procedural software cost estimation model developed by Barry W. The model parameters are derived from fitting a regression formula using data from historical projects (61 projects for COCOMO 81 and 163 projects for COCOMO II).