Elasticity of demand for food

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The US Dept of Food produces an interesting service on offering estimated elasticities of demand. [link] This graph shows the Cross Elasticity of demand (XED) for various goods with respect to food. I choose two countries – Bangladesh (low income) and the UK (relatively high income) Source: [link] What this means is that if the price …

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Calculating Price Elasticity of Demand

How to calculate price elasticity of demand. Price elasticity of demand = % change in Q.D. / % change in Price To calculate a percentage, we divide the change in quantity by initial quantity. If price rises from $50 to $70. We divide 20/50 = 0.4 = 40% Example of calculating PED When the price …

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Aggregate demand

Aggregate demand (AD) is the total demand for goods and services produced within the economy over a period of time. Aggregate demand (AD) is composed of various components. AD = C+I+G+ (X-M) C = Consumer expenditure on goods and services. I = Gross capital investment – i.e. investment spending on capital goods e.g. factories and …

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Compensated demand curve

Compensated demand curve A compensated demand curve ignores the income effect of a price change. It only measures the substitution effect. A compensated demand curve is therefore less elastic than an ordinary demand curve. An ordinary demand curve shows the effect of price on quantity demanded. A change in price causes a substitution effect, but …

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Definition of fiscal responsibility

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Fiscal responsibility implies a government pursues the appropriate level of government spending and tax to: Maintain sustainable public finances. Ensure fiscal policy aids the optimal rate of economic growth. Maintain appropriate levels of public investment. The UK chancellor has proposed a fiscal charter – which requires the government to run a budget surplus within three …

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Question: Why are more students going to university, despite the higher costs?

Readers Question: Why are more students going to university, despite the increased costs associated with higher education The number of students in full time education has dramatically increased in the past few decades. In the 1960s and 1970s, a full time university degree was a minority choice, but it has become increasingly popular. It is …

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Components of Aggregate Demand

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Aggregate Demand is the total demand in the economy. AD = C + I + G + (X-M) C= Consumer spending (Household consumption) I = Investment (gross fixed capital formation) G= Government  spending (Government investment and Government consumption) X-M = Net Exports (exports – imports). Components of Aggregate Demand A graph showing components of AD …

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