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## Primary tabs

#### Sales Sensitivity Alt

Basic assumption is that Retail price drives Units because a lower retail price enables more buyers, and Units drive COGS because higher production leads to optimization that lowers costs.
• 5 months 1 week ago

#### Sales Sensitivity

Basic assumption is that Retail price drives Units - a lower retail price enables more buyers - and Units drive COGS - higher production lowers costs.
• 5 months 1 week ago

#### Muskrats

​Muskrat model from SDS Summer School 2015.  Suppose there is a muskrat plague in a particular area. At first, there were 100 muskrats. The autonomous increase in the number of muskrats per muskrat per year amounts to an average of 20 muskrats per muskrat per year.
• 5 years 6 months ago

A simple model of how leads progress to close and installation in order to help identify inflection points where demand exceeds resources and creates installation backlog.
• 5 years 10 months ago

#### Clone of EaBT: Optimal Solutions Model

Simple model to explore the effect of locally versus globally optimized solutions, contemplating the pros and cons of selecting either a local or global solution path, and weighing the path selection against the likelihood of obtaining a sufficiently optimal solution within the time available to mak
• 6 years 2 months ago

#### EaBT: Optimal Solutions Model

Simple model to explore the effect of locally versus globally optimized solutions, contemplating the pros and cons of selecting either a local or global solution path, and weighing the path selection against the likelihood of obtaining a sufficiently optimal solution within the time available to mak
• 6 years 2 months ago

#### Sales Pipeline

A basic model that shows the progress of a lead through several selling stages.  Leads proceed through fixed time periods (conveyors) but with adjustable probability of progress to closure.
• 6 years 7 months ago

#### Matthew Effect Probability Bias

"In operation here is what researchers call the "Matthew effect," after the Bible verse found in the Gospel of Matthew: “For whosoever hath, to him shall be given, and he shall have more abundance: but whosoever hath not, from him shall be taken away even that he hath.” In other words, the academica
• 6 years 8 months ago

#### Matthew Effect

A simple Matthew Effect model for " the rich get richer" part; future models may consider "the poor get poorer" part.  See http://cup.columbia.edu/book/978-0-231-14948-8/the-matthew-effect/excerpt
• 6 years 8 months ago

#### Puppy Mills & Canine Rescue

Simple rich picture diagram shown how positive experiences from purchase of dogs at pet shops reinforces puppy mills (profit motive).
Negative experiences can result in abandoned dogs that are either rescued or euthanized.
• 6 years 8 months ago

#### Puppy Mills & Canine Rescue

Simple rich picture diagram shown how positive experiences from purchase of dogs at pet shops reinforces puppy mills (profit motive).
Negative experiences can result in abandoned dogs that are either rescued or euthanized.
• 6 years 8 months ago