What is Short-Run Production?

Economists differentiate between short and long run production.

The short run is the period of time during which at least some factors of production are fixed. During the period of the pizza restaurant lease, the pizza restaurant is operating in the short run, because it is limited to using the current building—the owner can’t choose a larger or smaller building.

The long run is the period of time during which all factors are variable. Once the lease expires for the pizza restaurant, the shop owner can move to a larger or smaller place.

Let’s explore production in the short run using a specific example: tree cutting (for lumber) with a two-person crosscut saw.

Since by definition capital is fixed in the short run, our production function becomes

Q = f [L, K− ] or Q = f [L]

This equation simply indicates that since capital is fixed, the amount of output (e.g. trees cut down per day) depends only on the amount of labor employed (e.g. number of lumberjacks working).

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Relate Topics

• Theory of the Firm
• Capital Formation
• Rent Seeking
• Structure Conduct Performance Model
• Integration
• Co-Insurance Effect
• Conglomerates
• Cost vs Profit Center
• Accelerator Theory
• Market Structure
• Fixed Cost vs Variable Cost
• Actual vs Implicit Costs
• Explicit Costs
• True Cost Economics
• Accounting Profit
• Economic Profit
• What are Factors of Production?
• Factor Income
• Production Function
• Fixed and Variable Inputs
• Short-Run and Long-Run Production
• Short Run
• Total Product
• Marginal Product
• Value of Marginal Product
• Law of Marginal Diminishing Product
• Production Function
• Production Possibilities Frontier
• Capital 
• Labor Theory of Value
• How the Production Function Estimates Inputs
• Factor Payment
• Economic Rent
• Cost Function
• Incremental Cost
• Marginal Input Cost  
• Fixed and Variable Costs
• Diminishing Marginal Productivity
• Costs Relate to Diminishing Marginal Productivity
• Law of Diminishing Marginal Returns
• Average Total Cost
• Average Variable Cost
• Marginal Cost
• Average Profit or Profit Margin
• Accounting Profit
• Economic Profit
• Normal Profit
• Short and Long-Run Production
• Cost Curves
• Long-Run Average Cost (LRAC)
• Production Technologies
• Economies of Scope
• Economies of Scale
• Diseconomies of Scale
• Minimum Efficient Scale
• Increasing, Constant, and Decreasing Returns to Scale
• Shape of the Average Long-Run and Short-Run Cost Curves
• Returns to Scale
• Diseconomies of Scale
• Long-Run Average Cost Curve Affect Industry Competitors
• Technology Shifts the Long-Run Average Cost Curve
• Law of Diminishing Marginal Returns