1.2.13

Alternative View of Consumer Behaviour

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Behavioural Economics - Are People Rational Agents?

Behavioural economics challenges principles of traditional economics that are unrealistic.

Traditional vs behavioural

Traditional vs behavioural

  • Traditional economists assume that economic agents act rationally and want to maximise utility.
  • Behavioural economists recognise that these two premises are unrealistic. They consider how emotional, psychological and social factors can affect decision-making.
Theories of irrationality

Theories of irrationality

  • Behavioural economists say consumers can't act perfectly rationally because of:
    • Lack of available information.
    • Limits on time (for decision-making).
    • Computation weakness - when people can't properly process all the data they need to to make an informed decision.
Fairness

Fairness

  • Our perception of what is fair in competitive games is often irrational.
  • We tend to prefer games that have more equal outcomes.

Irrational Agents - Bounded Rationality

For consumers to act rationally, they must have symmetric (perfect) information. So asymmetric information limits our ability to make rational decisions.

Lemons example

Lemons example

  • Marvin is in a car dealership. He has a choice between two cars with similar features: one is £4,000 and another is £4,600.
  • In a world of perfect information, Marvin would choose the cheaper car.
World of asymmetric information

World of asymmetric information

  • In a world of asymmetric information, Marvin's decision becomes more complicated.
  • Sellers know the flaws of the car and have an incentive to hide these flaws.
  • His limited decision-making ability is an example of bounded rationality.
Bounded self-control

Bounded self-control

  • Traditional economists assume that people have perfect self-control.
  • Behavioural economists recognise that individuals have limited self-control (bounded self-control).

Irrational Agents - Psychological Biases

There are a number biases that exist when we make decisions. They are often based on our social norms.

Anchoring

Anchoring

  • Anchoring occurs when we use a reference point from a previous decision to form the basis of another decision.
  • This reference point is normally irrelevant to the current decision, and so is a form of bias.
Availability bias

Availability bias

  • This occurs when we attach an emotional connection to an event in our head.
  • This can make the likelihood of a similar event occurring more or less likely in our head.
    • E.g England beating Panama 6-1 in the FIFA World Cup makes it seem more likely they will win the tournament.
Rules of thumb and habits

Rules of thumb and habits

  • Rule of thumb is a guide of rules that ease the process of decision-making.
    • E.g always going for the least expensive option.
  • Habitual behaviour is where someone repeats their decision-making actions many times.
Social norms

Social norms

  • Social norms are the generally accepted modes of behaviour. So we often make our decisions to conform with these.
  • These change over time.
    • E.g 40 years ago drink driving was seen as acceptable; today it isn't.
    • The social norm has changed.
Jump to other topics
1

Introduction to Markets

1.1

Nature of Economics

1.1.1Economics as a Social Science1.1.2Positive & Normative Economic Statements1.1.3The Economic Problem1.1.4Resources1.1.5Production Possibility Frontiers1.1.6Specialisation & Division of Labour1.1.7Types of Economies1.1.8End of Topic Test - Nature of Economics1.1.9Application Questions - Nature of Economics
1.2

How Markets Work

1.2.1Rational Decision Making1.2.2Demand1.2.3Elasticities of Demand1.2.4Elasticities of Demand 21.2.5Elasticity & Revenue1.2.6Supply1.2.7Elasticity of Supply1.2.8Price Determination1.2.9Price Mechanism1.2.10Consumer & Producer Surplus1.2.11Indirect Taxes & Subsidies1.2.12A-A* (AO3/4) - Taxing Prices or Quantities?1.2.13Alternative View of Consumer Behaviour1.2.14End of Topic Test - Markets1.2.15A-A* (AO3/4) - Markets
2

Market Failure

2.1

Market Failure

2.1.1Types of Market Failure2.1.2Externalities2.1.3The Deadweight Welfare Loss of Externalities2.1.4A-A* (AO3/4) - The Externalities of Education2.1.5Public Goods2.1.6Information Gaps2.1.7End of Topic Test - Market Failure2.1.8Application Questions - Market Failure
2.2

Government Intervention

2.2.1Government Intervention in Markets2.2.2Subsidies & Price Controls2.2.3Pollution Permits & Regulation2.2.4A-A* (AO3/4) - European Emissions Trading2.2.5State Provision & Information Provision2.2.6Government Failure2.2.7End of Topic Test - Government Intervention2.2.8A-A* (AO3/4) - Government Intervention
3

The UK Macroeconomy

3.1

Measures of Economic Performance

3.1.1Measuring Economic Growth3.1.2National Income Data3.1.3Inflation3.1.4Causes of Inflation3.1.5Consequences of Inflation3.1.6Employment & Unemployment3.1.7Causes & Impact of Unemployment3.1.8A-A* (AO3/4) - Hysteresis3.1.9Balance of Payments3.1.10Current Account Deficit & Imbalances3.1.11End of Topic Test - Economic Performance3.1.12Application Questions Macroeconomy
3.2

Aggregate Demand

3.2.1Aggregate Demand3.2.2Consumption3.2.3Investment3.2.4Government Expenditure3.2.5Net Trade3.2.6End of Topic Test - Aggregated Demand3.2.7Application Questions - AD
3.3

Aggregate Supply

3.3.1Aggregate Supply3.3.2End of Topic Test - Aggregated Supply3.3.3A-A* (AO3/4) -Aggregate Supply
3.4

National Income

3.4.1National Income3.4.2Injections & Withdrawals3.4.3Equilibrium Level of Real National Output3.4.4Multiplier Effect3.4.5End of Topic Test - National Income3.4.6Application Questions - National Income
3.5

Economic Growth

3.5.1Causes of Economic Growth3.5.2Output Gaps3.5.3Business Cycle3.5.4Impact of Economic Growth3.5.5End of Topic Test - Economic Growth3.5.6A-A* (AO3/4) - Growth
4

The UK Economy - Policies

4.1

Macroeconomic Objectives & Policies

4.1.1Possible Objectives4.1.2Demand-Side Policies - Monetary4.1.3Demand-Side Policies - Monetary 24.1.4A-A* (AO3/4) - The Future of Interest Rates4.1.5Demand-Side Policies - Fiscal4.1.6Demand-Side Policies in 2007-084.1.7Strengths & Weaknesses of Demand Side4.1.8Supply-Side Policies4.1.9Supply-Side Policies 24.1.10Conflicts Between Objectives4.1.11A-A* (AO3/4) - Conflicting Incentives4.1.12Phillips Curve4.1.13End of Topic Topic - Policies & Objectives4.1.14Application Questions - UK Policies
5

Business Behaviour

5.1

Business Growth

5.1.1Size & Types of Firms5.1.2Business Growth5.1.3Pros & Cons of External Expansion5.1.4Demergers5.1.5End of Topic Test - Business Growth5.1.6A-A* (AO3/4) - Business Growth
5.2

Business Objectives

5.2.1Business Objectives5.2.2End of Topic Test - Business Objectives5.2.3Application Questions - Business Objectives
5.3

Revenues, Costs & Profits

5.3.1Revenue5.3.2Costs5.3.3Economies & Diseconomies of Scale5.3.4Profits5.3.5Profits 25.3.6End of Topic Test - Revenue, Costs & Profits5.3.7A-A* (AO3/4) - Revenue, Costs & Profit
6

Market Structures

6.1

Market Structures

6.1.1Efficiency6.1.2Perfect Competition6.1.3Perfect Competition 26.1.4Monopolistic Competition6.1.5Oligopolies6.1.6The Prisoner's Dilemma6.1.7Collusion in Oligopolistic Markets6.1.8A-A* (AO3/4) - Which Factors Affect Collusion?6.1.9Monopolies6.1.10Price Discrimination6.1.11Monopsony6.1.12A-A* (AO3/4) - Models in Economics6.1.13Contestability6.1.14Benefits of Contestability6.1.15End of Topic Test - Market Structures6.1.16Application Questions - Market Structures6.1.17A-A* (AO3/4) - Cereal Collusion
6.2

Labour Market

6.2.1Demand for Labour6.2.2Supply of Labour6.2.3Labour Market Imperfections6.2.4A-A* (AO3/4) - Labour Productivity & Unemployment6.2.5A-A* (AO3/4) - What Level of Unionisation is Good?6.2.6Wage Determination6.2.7Elasticity of Labour Supply & Demand6.2.8Intervention in Setting Wages6.2.9End of Topic Test - Labour Market6.2.10A-A* (AO3/4) - Labour Markets
6.3

Government Intervention

6.3.1Reasons for Government Intervention6.3.2Government Promotion of Competition6.3.3Usefulness of Competition Policy & Examples6.3.4A-A* (AO3/4) - Modern Competition Policy6.3.5Privatisation6.3.6Government Regulation6.3.7A-A* (AO3/4) - Nationalisation vs Privatisation6.3.8Government Protection of Suppliers and Employees6.3.9Impact of Government Intervention6.3.10End of Topic Test - Government Intervention6.3.11Application Questions - Government Intervention
7

A Global Perspective

7.1

International Economics - Globalisation & Trade

7.1.1Globalisation7.1.2Globalisation for LEDCs7.1.3Globalisation for MEDCs7.1.4Specialisation & Trade7.1.5Pattern of Trade7.1.6Terms of Trade7.1.7Trading Blocs7.1.8UK, EU & WTO7.1.9End of Topic Test - Globalisation & Trade7.1.10A-A* (AO3/4) - Globalisation & Trade
7.2

International Economics - Currency

7.2.1Merged Currency7.2.2Restrictions on Free Trade7.2.3Arguments for Protectionism7.2.4Arguments Against Protectionism7.2.5Balance of Payments7.2.6Balance of Payments 27.2.7Floating Exchange Rates7.2.8Fixed Exchange Rate7.2.9International Competitiveness7.2.10End of Topic Test - International Economy7.2.11Application Questions - International Economics
8

Finance & Inequality

8.1

Poverty & Inequality

8.1.1Absolute & Relative Poverty8.1.2Inequality8.1.3Inequality 28.1.4Lorenz Curve8.1.5Government Policy on Poverty8.1.6End of Topic Test - Poverty & Inequality8.1.7A-A* (AO3/4) - Inequality & Poverty
8.2

Emerging & Developing Economies

8.2.1Measures of Development8.2.2Factors Influencing Growth & Development8.2.3Barriers to Development8.2.4Barriers to Development 28.2.5A-A* (AO3/4) - The Bottom Billion8.2.6Development Strategies8.2.7Interventionist Strategies8.2.8Aid8.2.9International Institutions8.2.10International Institutions 28.2.11End of Topic Test - Emerging & Developing8.2.12Application Questions - Developing Countries
8.3

The Financial Sector

8.3.1Role of Financial Markets8.3.2Market Failure in the Financial Sector8.3.3Role of Central Banks8.3.4End of Topic Test - The Financial Sector8.3.5A-A* (AO3/4) - Financial Sector
8.4

Role of the State in the Macroeconomy

8.4.1Public Expenditure8.4.2Taxation8.4.3Public Sector Finances8.4.4End of Topic Test - Role of the State8.4.5Application Questions - Role of the State
9

Examples of Global Policy

9.1

International Policies

9.1.1Global Debt & Deficit Policies9.1.2Poverty & Inequality Policies9.1.3Changes in Interest Rates9.1.4Competitiveness Policies9.1.5End of Topic Test - International Policies9.1.6A-A* (AO3/4) - International Policies
9.2

Policy Responses to Shocks

9.2.1International Tax Policies9.2.2Problems for Policymakers9.2.3End of Topic Test - Policy Responses9.2.4Application Questions - Policy Responses

Practice questions on Alternative View of Consumer Behaviour

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  1. 1
    Limitations to consumers acting rationally:Fill in the list
  2. 2
    In what way can consumers be irrational in competitive games?Multiple choice
  3. 3
    Which of the following is a contributing factor to bounded rationality?Multiple choice
  4. 4
    Which of the following is an assumption of traditional economists?Multiple choice
  5. 5
    'It rained all last summer; I'm going to book a holiday to Spain to escape the bad weather this year.' What is this an example of?Multiple choice
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A-A* (AO3/4) - Taxing Prices or Quantities?

End of Topic Test - Markets