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Economics: Questions And Questions: The Ten Principles Of Economics

Decent Essays

A3.
Statement of inter-relationships among economic factors that explains what may cause what, or what may happen under certain circumstances. Also called economic law.
Although the study of economics has many facets, the field is unified by several central ideas. The Ten Principles of Economics offer an overview of what economics is all about.
How people make decisions
1. People Face Tradeoffs.
To get one thing, you have to give up something else. Making decisions requires trading off one goal against another.
2. The Cost of Something is What You Give Up to Get It.
Decision-makers have to consider both the obvious and implicit costs of their actions.
3. Rational People Think at the Margin.
A rational decision-maker takes action if and …show more content…

Market structure
The collection of factors that determine how buyers and sellers interact in a market, how prices change, and how different levels of the production and selling processes interact. The four basic types of market structure include oligopolies, monopolies, perfect competition, and monopsony (where only one buyer is present in the market).

Types of market structure
• Perfect competition: Perfect competition happens when numerous small firms compete against each other. Firms in a competitive industry produce the socially optimal output level at the minimum possible cost per unit.
P firm P industry

Pc Pc

D Q

• Monopoly: A monopoly is a firm that has no competitors in its industry. It reduces output to drive up prices and increase profits. By doing so, it produces less than the socially optimal output level and produces at higher costs than competitive

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