Long Run in Economics
The 'long run' is an analytical timeframe in economics where variables that were held constant (exogenous) in the short run are allowed to become endogenous, meaning they can be adjusted and are determined by the model. The analysis of a long-run equilibrium involves modeling the consequences of these adjustments. This concept does not describe a specific period of time but rather a modeling approach where a firm can adjust all its inputs, including its capital goods.
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Long Run in Economics
Consider a simple economic model designed to explain a firm's daily hiring decisions. The model assumes the firm knows the market price for its product and the specific production technology it has available (e.g., its factory and machinery). The goal of the model is to determine the number of workers the firm should employ to maximize its profit. In the context of this specific model, which of the following is an endogenous variable?
A variable, such as the market price of a good, is inherently an outcome to be explained by an economic model and will be treated as such in every model that includes it.
Identifying the Outcome of an Economic Model
Analyzing a Market Model's Purpose
Variable Classification in Economic Models
Consider a standard economic model designed to explain the market for new cars. The model's purpose is to determine the equilibrium price and the total quantity of cars sold annually. The model assumes that factors like the average price of steel (a key input for making cars) and the average household income are external factors that influence the market but are not explained by it. Based on this model's purpose, match each variable below to its correct classification.
An economist creates a model to determine the optimal number of pizzas a shop should produce each day to maximize profit. In this initial 'short-run' model, the number of pizza ovens is considered a fixed input that cannot be changed. If the economist then expands the model to a 'long-run' perspective, where the shop owner can now decide whether to buy more ovens or sell existing ones, how does the classification of the 'number of pizza ovens' variable change within the model's framework?
Evaluating Model Design in Housing Market Analysis
In an economic model, the variable that the model seeks to explain or determine as its primary result is known as the ________ variable.
Evaluating Model Design for Agricultural Forecasting
Short Run in Economics
Long Run in Economics
Analyzing a Firm's Production Decisions
Analyzing a Firm's Production Decisions
Firm's Response to Increased Demand
Firm's Response to Increased Demand
Firm's Response to Increased Demand
A local farm that grows strawberries experiences a sudden and sustained increase in demand after a new highway exit opens nearby, making the farm more accessible. The farm owner wants to increase the quantity of strawberries they can sell. Which of the following statements best analyzes the owner's production decisions by distinguishing between two different planning horizons?
Firm's Response to Increased Demand
Firm's Production Strategy
Analyzing a Firm's Production Decisions
A local farm that grows strawberries experiences a sudden and sustained increase in demand after a new highway exit opens nearby, making the farm more accessible. The farm owner wants to increase the quantity of strawberries they can sell. Which of the following statements best analyzes the owner's production decisions by distinguishing between two different planning horizons?
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Long-Run Cost Function for Beautiful Cars
Very Long Run in Economics
Firms with High Long-Run Fixed Costs
Long-Run Market Dynamics of Entry, Exit, and Capacity Change
A bicycle manufacturing company experiences a sustained, permanent increase in consumer demand. From an economic modeling perspective, which of the following actions best represents a 'long-run' adjustment by the firm?
Firm Expansion Decision
In economic modeling, the 'long run' refers to a specific timeframe, typically defined as a period of one year or more, during which a firm has sufficient time to alter its use of variable inputs like labor but not its fixed inputs like factory size.
A manufacturing firm is responding to changes in market demand. For each of the following actions the firm might take, classify it as either a 'Short-Run Adjustment' or a 'Long-Run Adjustment' based on economic principles.
Analyzing Business Adjustments Over Time
Impact of Input Flexibility on Firm Behavior
The defining characteristic of the long-run analytical period in economics is that, unlike in the short run, there are no __________ inputs.
A small furniture company experiences a sudden and permanent 50% increase in demand for its products. Arrange the following company actions in the logical order they would likely occur, from the most immediate response to the final adjustment to a new, higher level of production.
A firm in the competitive package delivery industry learns of a new, highly efficient sorting technology that would require building a new, redesigned warehouse. The firm's economists conduct an analysis based on the assumption that they can change any and all aspects of their operation, including the number of warehouses, their fleet of vehicles, and their total workforce. What is the primary implication of adopting this analytical timeframe for their planning?
Market Adjustment Dynamics