Variable Unit Costs

Influence of Variable Unit Costs on a Firm's Price and Output Decisions

Fixed vs. Variable Costs

Principle of Increasing Total Costs

Marginal Cost

Further Reading on Costs: Stigler's 'The Theory of Price'

Economies of Scope

Activity: Analysis of a Total Cost Function

Modeling Quantity as a Continuous Variable for Cost Analysis Using Calculus

Convex Cost Functions and Increasing Marginal Cost

A manufacturing firm's total cost (C) to produce a quantity (Q) of items is represented by the function C(Q) = 5,000 + 20Q + 0.5Q². Based only on the structure of this function, what can be determined about the firm's costs?

Analyzing a New Business's Costs

Relationship Between Output and Total Costs

Strategic Analysis of Cost Structures

Match each description of a cost behavior with the corresponding mathematical representation in a firm's total cost function, C(Q), where Q is the quantity of output.

Statement: A firm's total cost to produce a quantity (Q) of a good is described by the function C(Q) = 1000 - 5Q + 0.1Q². This function is a plausible representation of a firm's total costs for all possible positive levels of output (Q > 0).

Interpreting a Firm's Cost Function

A company's total production cost is described by the function C(Q) = 15,000 + 75Q, where Q is the number of units produced. The total expenditure required by the company even if it produces zero units (Q=0) is $____.

Production Technology Choice Analysis

Evaluating a Production Decision

Importance of the Cost Function for a Firm's Output and Pricing Decisions

Constant Unit Cost and Constant Returns to Scale

Modeling Assumption of Constant Unit Cost for Apple Cinnamon Cheerios

Average Cost

Variable Unit Costs

Variable Costs for Beautiful Cars (c = $14,400/car)

Coffee Shop Cost Analysis

A small furniture company builds custom wooden chairs. The owner is analyzing the business's expenses to understand how they behave. Which of the following groups of expenses will increase in total as the company decides to build more chairs each month?

Bakery Production Costs

A bicycle manufacturer's total monthly expenditure on raw materials, such as steel frames and rubber for tires, will stay constant regardless of whether they produce 100 or 1,000 bicycles.

A manufacturing company is analyzing its expenses. Match each type of expense to the category that best describes how its total amount changes as the number of units produced increases.

A company that manufactures custom t-shirts is analyzing its expenses. When it increased its monthly production from 1,000 shirts to 2,000 shirts, it observed the following changes in its costs. Based on this information, which of the following is a variable cost?

A company observes that when it produces 500 units of its product, a specific expense totals $10,000. When production increases to 800 units, this same expense rises to $16,000. Based on this behavior, which of the following best describes this expense?

Pizza Parlor's Production Expenses

Widget Production Cost Analysis

A small bakery plans to close for a one-week vacation, halting all production of bread and pastries. The owner concludes that the total amount spent on some expenses, like flour and sugar, will drop to zero for that week. Which of the following statements provides the most accurate economic reasoning to support the owner's conclusion?