# Porter's Five Forces

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QBA Midterm review 3 Problems: 1. Essay: from either 2.2.3, 2.4 or 5.2 2. Setting up a model. (like one of the modules) (Review modules and cases-Try setting them up) 1. Given a problem statement and a set-up module, give an Analysis- (will be given a spreadsheet)

QBA Sample Quiz click on files Log into Blackboard: QBA- Content Open file and save to desktop as “ lastname-id#(without @ sign)-9:40 ” When done, load files back into blackboard. Have until 11:00.

MENTAL MODELS AND FORMAL MODELS Informal Modeling-

Informal modeling= mental modeling * Continues on through the problem solving stage * Problem solvers conduct quick informal mental models @ various stages in the process. * Ask a series of mental questions * Helps relate cause and effect – in a simplified , incomplete way * Helps determine what might be feasible in a given situation * Always influenced by our implicit preferences for certain outcomes over others. * Useful but extremely limiting * Sometimes don’t provide sufficient insight.

Formal models-

* Provide same information as mental models * Links causes to effects and help evaluate potential solutions * Used to measure how well each solution performs according to criteria. * Costlier and more time consuming to build * Makes are assumptions logic, preferences explicit and open to debate.

CRAFTSKILL FOR MODELING

Technical Skill- Ability to carry out specific, narrow, well-defined tasks in the modeling process. * Proper use leads to correct result and...

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#### Porter's Five Forces

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#### Porter's Five Forces Analysis

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