Refining an Urban Planning Model
An urban planner is developing a model to determine the optimal location for a new public library. The goal is to maximize community access and usage. The initial model includes the following variables:
- Population density of surrounding neighborhoods.
- Proximity to public transportation stops.
- Local zoning regulations.
- Average household income in the area.
- Proximity to existing schools and community centers.
- The geological soil composition of potential sites.
- The average number of sunny days per year for each potential site.
A colleague suggests the model is too complex and that its predictive power is being obscured by irrelevant details. Applying the principle that a model's power often comes from what it leaves out, identify TWO variables from the list that are least relevant to the model's stated goal. For each variable you choose, provide a brief justification for its exclusion, explaining how removing it helps to focus on the most important factors.
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Social Science
Empirical Science
Science
Economy
CORE Econ
Economics
Ch.2 User-centered design process - User Experience Design - Winter 23 @ UI Design in UI @ University of Michigan - Ann Arbor
UI Design in UI @ University of Michigan - Ann Arbor
UI @ University of Michigan - Ann Arbor
User Experience Design @ UI Design in UI @ University of Michigan - Ann Arbor
University of Michigan - Ann Arbor
Introduction to Microeconomics Course
User Experience Design - Winter 23 @ UI Design in UI @ University of Michigan - Ann Arbor
The Economy 2.0 Microeconomics @ CORE Econ
Introduction to Macroeconomics Course
Ch.1 The supply side of the macroeconomy: Unemployment and real wages - The Economy 2.0 Macroeconomics @ CORE Econ
The Economy 2.0 Macroeconomics @ CORE Econ
Ch.2 Technology and incentives - The Economy 2.0 Microeconomics @ CORE Econ
Ch.3 Doing the best you can: Scarcity, wellbeing, and working hours - The Economy 2.0 Microeconomics @ CORE Econ
Ch.9 Lenders and borrowers and differences in wealth - The Economy 2.0 Microeconomics @ CORE Econ
Analysis in Bloom's Taxonomy
Cognitive Psychology
Psychology
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An economist is developing a model to explain why a new downtown coffee shop has become significantly more popular than its competitors. The goal is to isolate the most critical factors driving its success. Which of the following approaches to building the model best demonstrates the principle that effective simplification is a key feature of economic analysis?
Evaluating a Critique of an Economic Model
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Defending Simplification in Economic Models
An economic model's usefulness is directly proportional to its realism; the more real-world details it includes, the better it is at explaining economic phenomena.
An economist is studying different economic phenomena. For each research question, a simplified model is proposed that focuses on a single key factor. Match each research question with the most appropriate simplified model that isolates the relevant factor.
An economist develops a model to understand the impact of a new gasoline tax on consumer driving habits. The model assumes that all cars have the same fuel efficiency and that the only cost of driving is gasoline. A critic dismisses the model as flawed because it ignores real-world variations like vehicle type, traffic congestion, and alternative transportation options. Which of the following statements best justifies the economist's decision to omit these details?
Refining an Urban Planning Model
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An economist creates a model to explain why fast-food restaurants often locate very close to one another. The model assumes that all restaurants sell an identical product at the same price and that customers simply choose the closest option. A critic dismisses the model as useless, arguing that it ignores crucial real-world factors like brand loyalty, menu differences, and service quality. What is the most significant weakness in this critique of the model?
Defending Simplification in Economic Models