Effective demand

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Effective demand refers to the willingness and ability of consumers to purchase goods at different prices. It shows the amount of goods that consumers are actually buying – supported by their ability to pay. Effective demand excludes latent demand – where the willingness to purchase goods may be limited by the inability to afford it …

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How to increase economic growth

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Economic growth is an increase in national output/income (higher real GDP). There are two main aspects of economic growth: Aggregate demand (AD) (consumer spending, investment levels, government spending, exports-imports) Aggregate supply (AS) (Productive capacity, the efficiency of economy, labour productivity) To increase economic growth We need to see a rise in demand and/or an increase …

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Government Price Controls

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Government price controls are situations where the government sets prices for particular goods and services. Types of price controls Minimum prices – Prices can’t be set lower (but can be set above) Maximum price – Limit to how much prices can be raised (e.g. market rent) Buffer stocks – Where government keep prices within a certain …

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Factors affecting oil prices in short and long run

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A look at the different factors affecting the price of oil in both short term and long. Readers Question: I’m trying to update myself on what’s happening with oil prices at the moment (partly to prepare myself for uni interviews) but I’m finding very conflicting articles, such as: Article warning of oil rising to $150 …

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Demand curve formula

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The demand curve shows the amount of goods consumers are willing to buy at each market price. A linear demand curve can be plotted using the following equation. Qd = a – b(P) Q = quantity demand a = all factors affecting QD other than price (e.g. income, fashion) b = slope of the demand …

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How is OPEC able to fix the price of oil?

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Readers Question: The Oil Petroleum and Exporting Countries (OPEC) comprise the main oil procedures in the world. With the aid of diagrams show how OPEC is able to fix the price of oil on the world markets and comment on its recent activity in this area. Suggest what would happen if OPEC kept increasing prices …

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Minimum price for alcohol – pros and cons

minimum-price

A minimum price for alcohol means that alcoholic drink cannot be sold below a certain price. It is  aimed at preventing the sale of very cheap alcohol by supermarkets. The hope is that a higher price will discourage binge drinking, improve health, and make people pay a price closer to the true social cost of …

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What explains the volatility of oil and food prices?

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In a recent post, we looked at food inflation and noted how prices were often volatile. Primary products like food and oil tend to be volatile because: Supply is inelastic in short run. (Supply is unresponsive to temporary shortages of food) Supply can vary due to the weather/geopolitical events. Demand is price inelastic – a …

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