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Statement I: An increase in demand is an increase in the quantity people are willing to purchase at all prices.
Statement II: Much of supply and demand analysis was based on the work of Alfred Marshall.
Normal Profit
The minimum amount of earnings that entrepreneurs must achieve to cover the cost of operating, essentially the breakeven point beyond which a business earns profit.
Implicit Costs
Indirect expenses related to business operations, such as opportunity costs, not directly paid out in cash.
Economic Profits
The excess of total revenue over total costs, including both implicit and explicit costs.
Implicit Costs
Costs that represent the opportunity cost of using resources that are not directly paid for, such as the owner’s time or the use of assets owned by the firm.
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