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Wednesday 24 August 2011

Unit 1: How much of our spending goes on food?

Food and the proportion of income spent on it is a common theme in IGCSE Economics often showing up in the multiple choice paper.

Generally speaking the lower your income the higher the proportion of your income is spent on food. Below is a great infographic looking at the percentage of people’s total expenditures spent on food in the countries of the world.

Unsurprisingly, the more developed the country, a smaller proportion of their income is spent on food.




Monday 22 August 2011

Introduction to Economics: What is it anyway?

“What is Economics?”

Many of you will have no idea what it’s all about when you signed up for the class. Below are some of the definitions of “Economics” you mat have thought about:


“Economics is the study of money flow between either countries or individual companies.”

“My definition of Economics is the control of money by a person, organization or nation.”

“Economics is a complex system that determines and justifies global prices, currency values, and ultimately the success of a nation.”

“I’d say Economics is the study of how humans use resources including income, investments, taxes and the economy.”

“I think economics is the study of investments and money. Especially income and outcome, and taxes in the government.”

“The study of the distribution of wealth and how human beings tend to handle wealth.”

“A bunch of old men moaning about all of the potentially free lunch opportunities they had missed in their youth, passed off as the behaviour of markets.”

As you can see, most students do not yet have a clear definition of the subject in their heads when they start the course, which is perfectly understandable! So I thought I’d start the year off by sharing my definition of economics.

Please read the following introduction to Economics then answer the discussion questions that follow.

So what IS Economics, anyway? Well, look around you. What do you see? From here in my classroom at Dubai British School, I see many new bulidings being built. I can count several cranes swinging their arms hauling construction materials around their respective sites. Beyond the cranes I see the beach and the desert stretching as far as the eye can see. I see a mosque and the rooftops of the businesses in town. I can just see the tops of cars racing along the Sheikh Zayed RD highway to and from Abu Dhabi and the other Emirates.

Now ask yourself, how did things get to be this way? Why are new condos going up in the midst of the deepest recession in decades? Why are bedoin still able to graze goats in the desert when 100 square meter condos are selling for millions of Dhirams very near to where there homes? Why is the desert still vast even as development has encroached into most of the region’s natural ecosystems? How do normal people make enough money to live comfortably in this expensive country? Where do the things we buy come from? Who built this computer I’m typing on and what will I be doing for a living in twenty years?

One of my favorite quotes that to me sums up what economics is all about comes not from an economist, but from the civil rights leader Martin Luther King. In 1967 King wrote:

'Did you ever stop to think that you can’t leave for your job in the morning without being dependent on most of the world? You get up in the morning and go to the bathroom and reach over for the sponge, and that’s handed to you by a Pacific islander. You reach for a bar of soap, and that’s given to you at the hands of a Frenchman. And then you go into the kitchen to drink your coffee for the morning, and that’s poured into your cup by a South American. And maybe you want tea: that’s poured into your cup by a Chinese. Or maybe you’re desirous of having cocoa for breakfast, and that’s poured into your cup by a West African. And then you reach over for your toast, and that’s given to you at the hands of an English-speaking farmer, not to mention the baker. And before you finish eating breakfast in the morning, you’ve depended on more than half the world. This is the way our universe is structured, this is its interrelated quality'.

Economics is about all the questions I posed above and it’s about all the interactions King describes.

Economics is about solving one major problem faced by all human societies going back thousands of years.

Economics is about the problem of scarcity. Scarcity is the natural phenomenon arising from the fact that all the world’s resources are physically limited in quantity.

Limited resources alone would not pose a problem if it were not for one characteristics of human beings that makes us truly unique in the animal kingdom. The fact that we have desires and wants beyond our basic physical needs. In the face of humans’ practically unlimited desires and wants, the limited nature of the earth’s limited natural resources gives rise to conflicts regarding the allocation of those resources. Economics is the social science that deals with the allocation of earth’s scarce resources among the competing wants and needs of society. Economists provides society with various tools and techniques for efficiently allocating our scarce resources.

Discussion questions:

1.Scarcity of resources has given rise to countless conflicts among and between societies throughout history. Identify one conflict from the past or present that you think the problem of scarcity gave rise to.

2.Some say that many of the environmental problems our world faces to day can be solved by economics. If that’s the case, then they must have to do with scarcity. Identify one environmental problem and explain how it relates to scarcity.

3.Time is one of the scarcest resources. Explain how the decisions you make regarding your limited time in and out of school can be considered economic decisions.

Wednesday 17 August 2011

Unit 4 Macro: Savings and Banking to enhance Development

A big thanks to Patrick North from Crown Woods College for spotting this excellent article on growth and development strategies in Mozambique. (Click here)

The piece focuses on the efforts of Mozambique to increase participation in the banking system to boost savings, investment and ultimately growth and is a good illustration of the Harrod-Domar growth model.




Friday 12 August 2011

Unit 1: Supply & Demand - London Riots and baseball bat sales!

Nearly every story has some application to the teaching and understanding of Economics and the tragedy of the London (and elsewhere) riots is no different. I can think of at least four important economic concepts that this can be used as an example for.

Sales of baseball bats on amazon.co.uk have increased by over 6500% over the past week. I imagine that this is not because baseball has suddenly become more popular in the UK and assume that they are being purchased for protection. Economic concepts include…

- tastes and fashions. An excellent example to use for those other factors that increase demand for a product. Because it was unexpected, a shortage resulted.

- price elasticity of supply. If you didn’t get in early then you will have missed out - the expected wait for shipping is now five weeks. Amazon were unable to increase the availability of the bats quickly.

- demerit goods. Our American friends are probably mystified as to why the demand for baseball bats has increased - surely a handgun would be a much better form of protection?

- externalities. A good discussion could be had as to whether the consumption of baseball bats leads to positive or negative externalities.

Any other ideas?



Thursday 4 August 2011

Unit 1: The Price of Football


The BBC’s new Price of Football survey (Click Here) offers an excellent opportunity to use wide differences in the cost of attending football matches across the length and breadth of the UK.

It is ideal stimulus material for generating a discussion on different pricing tactics, price elasticity of demand and income inelasticity of demand in the football industry.

If you look hard enough, you may even find the mighty Leeds' prices.......