La Roche, U., "A Basic Business Loop as Starting Template for Customized Business-Process-Engineering Models", 1994
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Conventional Business-Process-Engineering (BPE) consists of cautious small step improvement in succession to optimize target figures such as financial outcomes, delivery time and leadtimes. To support BPE for fast and focused change, a simulation model on top and outside of MRP-system in place is proposed. Useful business models for this task include the whole process from clients billing to supplier paying. A continuous flow simulation allows to cover the long time horizons of several weeks to years to include the bottom-line-effects relevant for decisions. Outside of existing MRP-systems means that alternatives of structuring the business-process can be assessed without the heavy reprogramming and database support needed, if you do this with the MRP-systems in place. We use process-chain-models with the appropriate flow calculations instead of the discrete-event type calculations of MRP-systems. This simplification pays out in better focus on essentials such as dynamic control of the process-chains for the price of not going into the details of single piecewise operations. A generic template as a starting model is used to cover the many-facetted problems of business-process-engineering in order to prepare the follow-up with a professional custom-model and simulation-tool for the real company's problems. Any final customized model is of course highly company specific.