The following models were created with STELLA and iThink and published to the web using isee NetSim add-on software. To explore and
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Think through the consequences associated with the development of a widget plant upstream from the Alma Mater School. While the plant will be good for the region’s economy, will it release widgoxyn—a deadly chemical known to interfere with aquatic food webs—in such quantities that it will irreparably damage the stunningly beautiful Alma Mater Pond?
Business Cycle Dynamics
Business cycles are a fact of life for many industries. Market demand peaks one year only to plummet a year or two later. In this case study of a semiconductor business, Henk Akkermans, Professor of Supply Network Dynamics at Tilburg University, explores different policy options for order handling, production planning and capacity management to reduce oscillation and improve system performance.
Explore a consulting firm’s headcount strategy. Understand the relationship between growth rates, promotion times, headcount pyramid ratios, and attrition rates.
Tobacco Use Prevention Lab
Use this simple policy design lab, to experiment with policy options for allocating funds from a tobacco settlement. Explore how different programs aimed at adults and kids impact the health of a state populace.
Multiple Retailer Supply Chain
Experience the dynamics of overshooting/undershooting inventory typical in the retail industry. Tour this supply chain model to understand the structure from the factory through multiple retailers to the consumer.
For virtually any service organization, the allocation of resources is a recurring strategic issue. Use this strategy lab to practice growing an organization while allocating resources to both "selling" and "doing" projects.
Take control of a start-up business in this simulation game. Using a Balanced Scorecard approach, orchestrate tactical and strategic levers to experience what is required to breathe life into a business.
Shifting from Bricks to Clicks
Experience the dynamics of making a business shift from traditional to e-commerce. Simulate different scenarios for how you’ll allocate spending on marketing versus infrastructure.
Cash for Clunkers
Explore an alternative to the popular US "Cash for Clunkers" program. Using a combination of fees and rebates, this simulation lets you experiment with options that are self-sustaining AND reduce automobile emissions.
Housing Supply and Demand
Use this learning lab to investigate the housing crisis. Play with interest rates as if you are Chairman of the Federal Reserve and see the impact on housing supply and demand. What happens when banks relax mortgage requirements and more people qualify to buy homes?
Success to the Successful
Explore the model behind this classic Systems Archetype to understand well known behavior patterns like the rich getting richer and the poor getting poorer. What is it about the structure of our decision policies that determines success?