Rotten Kid Theorem

hyperinflation

The Rotten Kid Theorem states that in a family with a wealthy altruistic parent  – even selfish kids – can have a financial incentive to be harmonious and kind to their siblings. This theory of family behaviour was first proposed by Gary Becker in an article (1974). “A Theory of Social Interactions”. He later expanded …

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Effect of tax – depending on elasticity

tax-depends-elasticity

Placing a tax on a good, shifts the supply curve to the left. It leads to a fall in demand and higher price. However, the impact of a tax depends on the elasticity of demand. If demand is inelastic, a higher tax will cause only a small fall in demand. Most of the tax will …

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Devaluation of the Indian Rupee

The Indian Rupee has fallen in value against a basket of currencies since independence in 1947. In recent years, the Indian Rupee has continued to depreciate in value. Indian Rupee value against US Dollar In 1990, you could buy $1 for 16 Indian Rupees. By 2013, the value of a Rupee had fallen, so that …

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Should welfare benefits be increased to reduce inequality?

Readers Question: Should the government provide more welfare support programs such as child tax benefit and unemployment insurance in order to decrease economic inequality?

This is a classic dilemma that governments face. To simplify the argument.

  • Higher welfare benefits help to reduce inequality and reduce relative poverty. Higher benefits will give those on low income a better living standard and help contribute to a more cohesive society.

However, opponents argue that:

  • Increasing welfare benefits creates a disincentive to work. If welfare benefits are too generous, people may have a strong incentive to avoid work or work fewer hours. Furthermore, higher welfare payments increase the burden on the government requiring higher taxes and/or higher borrowing. Both taxes and borrowing place economic costs on society.

Both arguments have merits and setting the optimal level of benefits is not easy. It will partly depend on which you feel is more important – reducing inequality in society or limiting the role of government and creating incentives to maximise individual incentives to work.

Between each polarised view, most economists would probably agree on certain principles which will be helpful in setting the level of welfare benefits.

  • Guaranteeing a minimum income to avoid absolute poverty is desirable.
  • It is important children are not too adversely affected by the choices of their parents.
  • Welfare benefits should be designed so there is always some incentive to work rather than stay on benefits. Ideally, benefits would be temporary to help families through difficult times – not a permanent handout.
  • Welfare benefits should be deemed to be fair, easily accessible and available to all legitimate claimants.

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World Financial Crisis AD/AS diagram

fall-ad-depends-on-spare-capacity

Readers Question: how to illustrate the world financial crisis by using the graphs of aggregate demand and aggregate supply? The financial crisis has essentially caused an unprecedented fall in aggregate demand. Aggregate demand has fallen because: Bank lending decreased due to the credit crisis and shortage of bank funds. The shortage of bank lending has …

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Reference Pricing

sale-discount

Reference pricing refers to how much consumers expect to pay for a good in relation to other competitors and the previously advertised price. Reference pricing could refer to a situation when a firm sells price just below the main price of its competitor. (BD) Reference pricing also refers to a situation where a firm sales …

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When will interest rates rise?

inflation-interest-rates

Readers Question: Will interest rates rise? Some say yes, my investment analyst/advisor says no (“because the UK is largely living on credit and the government and bank of England do not want a repeat of 2008”) Interest rates will rise when the Bank of England feel the economy has returned to a normal trend of …

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