Category: Essential Economics for Business: Ch 04

Google is a classic example of the new ‘Internet economics’. The main service it provides – search – is completely free and yet it is an enornmously profitable company and growing fast. Much of what they provide in addition to their search service is also free: Google Docs, Google Maps and Google Scholar. So how do they do it? The first link below is an article considering this issue and the second link gives access to an archived version of In Business giving further detail. The programme is well worth listening to. A key part of the explanation for this new phenomenon relates to the low and falling costs of providing these internet services.

Buy none, get one free BBC News Online (8/1/09)
Free for all BBC News Online (8/1/09) In Business – programme archive

Questions

  1. Write a short paragraph explaining briefly the Google business model.
  2. Identify two fixed and two variable costs of running an internet search service.
  3. What are the marginal costs of Google providing additional internet searches?
  4. Discuss the relationship between costs, revenue and profit for a company like Google as demand for their servces grows.

Times of economic uncertainty often lead to people seeking what they consider as ‘safe havens’ for their money. Traditionally gold has been one of these safe havens. This financial crisis has been no exception and the price of gold has risen, but there has also been a rapid growth in demand for gold bullion and gold coins and dealers have found themselves besieged by people looking to protect their savings. ATS Bullion, a London gold bullion dealer, has even seen queues: something quite unprecedented for them.

There’s gold in them thar’ shops: the rush is on Guardian (2/10/08)
Austria witnesses new gold rush BBC News Online (12/10/08)
Gold rush as investors pile into bars Financial Times (3/10/08)
Market turmoil sparks gold rush to specialist funds Times Online (13/10/08)

Questions

1. What the main determinants of demand for gold coins and gold bullion?
2. Using diagrams as appropriate, show the changes that have taken place in the market for gold coins in recent months.
3. Discuss the extent to which the supply of gold bullion is likely to keep up with the rapid growth in demand

In the article below Tim Harford (the Undercover Economist) looks at rationality in the purchase of cigarettes. He consider whether healthy and happy smokers are the same thing and the extent to which smokers would be happier if cigarettes were more expensive.

Why smokers are happier when cigarettes cost more MSN Slate (17/5/08)

Questions

1. Identify the principal factors that determine the level of demand for cigarettes.
2. Given the factors identified in part (a), discuss the likely value of the price elasticity of demand for cigarettes.
3. Discuss the extent to which higher cigarette prices would make smokers happier.

The Reverend Thomas Malthus argued that while population grows at a geometric rate, food supplies grow at an arithmetic rate. This led him to the controversial conclusion that if population grows unchecked society will run out of food. The article below argues that despite recent food price growth and food shortages, the ideas of the Reverend Malthus are as wrong as ever.

Malthus, the false prophet The Economist (15/5/08)

Questions

1. Explain the theory expounded by the Reverend Malthus in relation to population growth.
2. Assess the principal factors that affect population growth..
3. Discuss whether the ideas of the Reverend Malthus have any relevance in a modern age.

Increasing numbers of firms are offering goods to consumers for free. Chris Anderson, the editor of Wired magazine, has developed a thesis called freeconomics which postulates that this trend will increase and that firms that don’t join in will go to the wall. “As much as we complain about how expensive things are getting, we’re surrounded by forces that are making them cheaper,” Anderson wrote in a recent article.

The big giveaway Guardian (6/5/08)

Questions

1. Explain what is meant by the term ‘freeconomics’.
2. How can firms afford to make goods and services available for free?
3. “Anderson’s idea is that the internet, by reducing marginal costs, encourages businesses to make their money by offering free goods or services to an extent we have not witnessed before”. Discuss the extent to which doing business over the internet reduces marginal costs.