The short run, long run and very long run are different time periods in economics. Quick definition Very short run – where all factors of production are fixed. (e.g on one particular day, a firm cannot employ more workers or buy more products to sell) Short run – where one factor of production (e.g. capital) …
Definition of Monopoly A pure monopoly is defined as a single seller of a product, i.e. 100% of market share. In the UK a firm is said to have monopoly power if it has more than 25% of the market share. For example, Tesco @30% market share or Google 90% of search engine traffic. Monopoly …
Definition of Positive Externality: This occurs when the consumption or production of a good causes a benefit to a third party. For example: When you consume education you get a private benefit. But there are also benefits to the rest of society. E.g you are able to educate other people and therefore they benefit as …
A specific tax is a fixed amount of tax placed on a particular good. It is also referred to as a per-unit tax, and the tax will depend on the quantity sold (not price). Examples of specific taxes A tax of £0.40 on 500 ml sugary drinks. A tax of £3.92 per 20 pack of …
The law of unintended consequences refers to how economic decisions may have effects that are unexpected. Usually, this refers to an economic law which distorts consumer or producer behaviour in a way that is not expected. For example, a law may be implemented with the best intentions to help a group, but, if there are …
The business or trade cycle relates to the volatility of economic growth, and the different periods the economy goes through (e.g. boom and bust). There are many different factors that cause the economic cycle – such as interest rates, confidence, the credit cycle and the multiplier effect. Some economists also point to supply side explanations, …
Readers question: what are the advantages and disadvantages of devaluation? Devaluation is the decision to reduce the value of a currency in a fixed exchange rate. A devaluation means that the value of the currency falls. Domestic residents will find imports and foreign travel more expensive. However domestic exports will benefit from their exports becoming …
This is a collection of diagrams for supply and demand. It is mainly for my benefit, so when creating a post, like the price of tea (or when I’m teaching online) I can easily find a suitable diagram to illustrate what is happening. Demand curve A contraction on the demand curve is due to higher …