One of the most fundamental principles in system dynamics is the premise that the structure of the system will generate its behavior. Such philosophical position has fostered the development of a number of formal methods aimed at understanding the causes of model behavior. To most in the field...

Hybrid seed suppliers experience excessive and costly rates of seed returns from dealers, who order in advance of grower demand realization and may return unsold seeds at the end of the season. Sales representatives know they must carefully gather information on grower demand for seed types and...