Different types of costs in short run

Short run

contains at least one fixed cost and also variable cost

Fixed and variable costs

Variable cost

Opportunity cost

best alternative sacrificed : cost of the value of the best alternative uses (opportunities) sacrificed

Implicit and explicit costs

implicit costs

explicit costs

opportunity costs not monetary (cash)

owner's time

money owner would have earned at previous job if he didn't quit it

opportunity cost of self owned equipment that could have been used for something else

true economic cost

monetary (cash) paid for inputs - could have been used else where therefore also opportunity cost

Forgone wages

Forgone interest

purchasing machinery and eqiuipment

purchasing inputs (factors of production) raw materials

Costs that change with the amount produced.

Example: raw materials, labor, electricity

Fixed costs

For example, pizza ovens. No matter how many pizzas produced, you still pay for the same oven.

quantity cannot be altered in the short run

cant afford to add more fixed cost in short run

quantity can change in the short run

also opportunity cost- cost of using it for a specific period could have been used elsewhere

Costs that do not change with the amount produced

represents opportunity cost

total cost = total fixed cost + total variable costs