Forms of Economic Models
Economic models are versatile and can be presented in various formats. For instance, a model explaining opportunity cost might be conveyed through words and numbers. In contrast, more complex phenomena, like the Malthusian model or the adoption of new technologies during the Industrial Revolution, are often represented mathematically using graphs, which can also be expressed with equations. This flexibility allows economists to choose the most suitable representation for the question at hand.
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Economy
CORE Econ
The Economy 1.0 @ 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
User Experience Design - Winter 23 @ 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
Ch.2 Technology and incentives - The Economy 2.0 Microeconomics @ CORE Econ
The Economy 2.0 Microeconomics @ CORE Econ
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Role of Prices in Decision Making
Simplification in Economic Models: A Feature, Not a Bug
Forms of Economic Models
An economist is tasked with creating a model to explain a recent, sharp increase in the price of concert tickets for a popular band. They begin by gathering extensive data: the exact seating capacity of every venue on the tour, the average income of residents in each host city, the band's social media follower count, and the daily price of gasoline in those cities. Based on the fundamental process of building an economic model, what is the primary issue with this initial approach?
An economist is building a model to understand the market for a new brand of noise-canceling headphones. Arrange the following steps in the logical order they would follow to construct this economic model.
Modeling a City's Traffic Policy
Deconstructing a Simple Market Scenario
The Foundational Assumption in Economic Modeling
When constructing an economic model, the primary goal of the step where one studies how the outcome changes when variables are altered is to confirm that the initial assumptions of the model were correct.
Match each component of the economic model-building process with its primary purpose.
An economist is building a model to predict how a significant increase in the price of coffee beans will affect the number of cups of coffee sold by a local café. To isolate the impact of this single price change, which of the following assumptions about behavior is the most essential foundation for the model?
In the final step of building an economic model, an economist studies how the outcome changes when a specific condition is altered. The primary goal of this step is not to test the model's accuracy against real-world data, but to generate new ______ about the economic problem being studied.
Evaluating Competing Economic Models
Critiquing a Model's Foundation
An economist is developing a new model to understand how a sudden increase in the price of coffee beans affects consumer purchasing habits at local cafes. Arrange the fundamental steps they would take to construct this model in the correct logical order.
An economist is developing a model to understand the market for rental apartments in a city. The model is built on the idea that landlords will always try to rent their properties for the highest price the market will bear, while potential tenants will seek the lowest possible rent for a suitable apartment. The model incorporates data on the number of available apartments and the number of people looking for a rental. The goal is to see if these interactions lead to a point where the average rent becomes stable. In this model-building process, what is the foundational assumption about behavior?
Designing a Model for Urban Development
An economist is building a model to understand how a new city-wide minimum wage law might affect hiring at local restaurants. The model begins with the assumption that restaurant owners seek to maximize their profits. What is the next logical step in the construction of this model to determine its potential outcomes?
Analyzing a Farmer's Decision Model
Once an economic model successfully identifies an equilibrium outcome, such as a stable market price for a product, the model's primary purpose has been achieved and the process is considered complete.
An economist is building a model to understand the market for used textbooks at the start of a semester. Match each component of their model-building process (the term) with its corresponding description from the scenario (the definition).
An economist develops a model to understand the market for avocados. The model is based on two main ideas: 1) consumers will want to buy more avocados at lower prices, and 2) farmers will want to sell more avocados at higher prices. The model successfully identifies an 'equilibrium price' where the amount consumers want to buy equals the amount farmers want to sell. What is the most valuable next step in using this model for economic inquiry?
Evaluating a Flawed Modeling Process
Developing Economic Skills Through Model Creation
Assessing an Economic Model by Comparing Predictions to Data
Learn After
Physical Models in Economics
An economist first writes a detailed paragraph describing how a change in the price of a key raw material affects the quantity of a product a company is willing to sell. Next, she creates a line graph illustrating this relationship visually. Finally, she develops an equation that precisely calculates the quantity supplied for any given price of the raw material. What does this process demonstrate about the nature of economic models?
Match each form of economic model representation to its primary characteristic or function.
Choosing the Right Model for Policy Decisions
Modeling Consumer Behavior
For an economic model to be considered a valid and useful tool for analysis, it must be represented using mathematical equations.
Relationship Between Model Forms
An economist is studying the relationship between the price of gasoline and the quantity people are willing to buy. Arrange the following steps in the logical order an economist would typically follow to develop a formal model of this relationship, progressing from a general observation to a precise representation.
When an economist moves from a detailed verbal description of a market relationship to a visual representation that shows the connection between two variables, they are most commonly creating a ______. This visual tool can then be precisely defined using mathematical equations.
An economist develops a verbal model to describe the market for a luxury good. The model states: 'At lower prices, a small increase in price causes a significant number of consumers to stop buying the good. However, at very high prices, the remaining consumers are less sensitive, and the same price increase causes only a small drop in the number of buyers.' Which of the following graphical representations best illustrates this economic model, assuming Price is on the vertical axis and Quantity is on the horizontal axis?
Communicating Economic Findings
Mathematical Representation in Economic Models