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Microeconomics

Monopoly Market Structure

In a Monopoly Market Structure, there is only one firm prevailing in a particular industry. However, from a regulatory view, monopoly power exists when a single firm controls 25% or more of a particular market. For example, De Beers is known to have a monopoly in the diamond industry. A Natural Monopoly Market Structure is the result of natural…
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The Substitution Effect

The Substitution Effect is the effect of a change in the relative prices of goods on consumption patterns. It is the economic idea that as either prices rise or income decreases, consumers substitute cheaper alternatives for more expensive goodsThe substitution effect is harmful to economic prosperity overall because it limits the breadth of…
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Wealth Effect

The wealth effect is the economic phenomenon in which individuals spend more when stock prices increase and, as a result, equity portfolios are increasing in value. They do so because their sense of the reliability of their wealth is increasing. Thus, increases in consumer spending are directly correlated to increases in the value of stock…
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Regulatory Capture

Regulatory capture is a failure of normal government functions in which regulatory agencies become subservient to the industries they are meant to be monitoring and regulating. In these cases, the regulatory bodies end up furthering the (typically economically-motivated) goals and concerns of special interest groups, rather than the public--so the…
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Variable Costs

Costs can be divided quite simply into two basic categories: variable costs and fixed costs. Variable costs are those that vary with production levels. As the volume of production increases, these costs increase; likewise, as the volume of production decreases, variable costs also decrease.This is in contrast to fixed costs, which exist…
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Economies of Scale

An economy of scale is achieved when increasing the scale of production decreases long-term average costs. In other words, the cost of production per unit decreases as a company produces more units. Reducing the cost per unit of production is the most significant advantage created by economies of scale.For example, if we are producing a video…
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