Category: Economics for Business: Ch 04

You’ll be familiar with these types of posts from me, which typically start with a comment like: ‘On my commute to work on …’. That’s one of the good things about a long drive – the interesting and informative discussions that you hear on the radio. This one is another interesting piece from BBC Radio 4, looking at a very topical issue, especially to those living in the South West and other rural areas in the UK.

We have recently seen pictures of farmers protesting about the price of milk and in places like Somerset, the protest took a rather odd method, where farmers from across the region entered supermarkets and simply bought all of the milk, before giving it away. The issue is that dairy farming is no longer profitable, as the price that dairy farmers receive for each pint of milk is now lower than the cost of providing it. Thus, for each pint they make a loss.

There are many reasons that have contributed to this situation, including pressures imposed by customers demanding cheaper prices; pressures from supermarkets using their monopsony power to force down the prices paid to farmers; and pressures from abroad. In the case of milk, we have a surplus and with a perishable product, i.e. one that cannot be stored, unlike wheat, this has contributed to falling prices. Data suggest that we are seeing approximately one farmer per day being forced to leave the indsutry.

This programme explores the current dairy farming crisis and draws some similarities with the wheat crisis that the UK experienced in the 1930s. The programme below is 30 minutes and provides some interesting insights on two important commodities and the economics behind the markets.

Today’s crisis in dairy farming and the wheat crisis of the 1930s BBC Radio 4; The Long View, Jonathan Freedland (29/9/15)

Questions

  1. Using demand and supply analysis, explain the situation in the milk market.
  2. Now consider the wheat industry and provide a similar analysis of how prices are set and what caused the problems seen in the 1930s.
  3. Although these two commodities have similarities they are also very different. Why can two different commodities experience such similar problems at such different times?
  4. What are the key demand and supply-side factors affecting the current low price of milk?
  5. Consider the market for (a) milk and (b) wheat. What are (if any) the market failures within each area?
  6. Agriculture is an area where we do see significant government intervention. Should the UK government be doing more to help the UK’s dairy farmers? If so, what should they do and would this intervention create further problems, e.g. unintended consequences?

Many Chinese people have taken to investing on the Chinese stock market, seeing it as a way of making a lot of money quickly. From October 2014 to June this year the market soared, rising by 126% from 2290 to 5166.

More and more people used their savings to buy stocks and China now has over 90 million individual investors. And it was not just savings that were invested. Increasingly people have been borrowing money to invest, seeing it as an easy way of making money. Unlike stock markets in developed countries, where the majority of shares are held by financial organisations, such as pension funds, holdings by individuals account for about 80% of stocks on the Chinese market.

But since mid-June, share prices have plummeted by 32% (see chart). People have thus seen a huge fall in the value of their savings, while many others have found their shareholdings worth less than their debts. The fall, like the rise that preceded it, has been driven by speculation, fuelled by first optimism and then pessimism.

The Chinese government is worried that the fall might dampen investment and economic growth. It has thus has been supplying liquidity to various institutions to buy shares, but this has had little effect and is dismissed by many as meddling. What is more it could expose companies which take advantage of the liquidity to greater risk.

So serious has been the rout, that over 50% of listed companies have halted trading on the mainland Chinese stock exchanges.

So just why has there been this bubble and why has it burst? What implications will it have for (a) China and (b) the rest of the world? The following articles explore the issues.

China’s stock market fall hits small investors BBC News Magazine, John Sudworth (7/7/15)
China Stocks Plunge as State Support Fails to Revive Confidence Bloomberg (8/7/15)
Chinese stocks are crashing Business Insider UK, Myles Udland, David Scutt (8/7/15)
Shanghai stocks plunge, over 1,200 Chinese companies halt trading Economic Times of India (8/7/15)
Everyone freaking out about China’s stock-market crash is missing one thing Business Insider UK, Elena Holodny (7/7/15)
China’s stock market has lost nearly a third of its value in a month Vox, Timothy B. Lee (8/7/15)
Chinese leaders may be undermined as investors suffer stock market slide The Guardian, Emma Graham-Harrison (8/7/15)
Opinion: China’s stock-market crash is just beginning MarketWatch, Howard Gold (8/7/15)
What does China’s stock market crash tell us? BBC News (22/7/15)

Questions

  1. What is meant by a ‘bubble’? Has the recent performance of the Shanghai Stock Market been an example of a bubble?
  2. Is the current fall in share prices in China an example of overshooting? Explain how you would decide.
  3. Distinguish between stabilising and destabilising speculation. Why does destabilising speculation not go on for ever?
  4. What is meant by the ‘stock market wealth effect’? How is the fall in the Chinese stock market likely to affect consumption and investment in China? How does the proportion of assets held in the form of shares affect the magnitude of the effect?
  5. What are the likely implications of the fall in the Chinese stock market for the rest of the world?
  6. Why has the Hong Kong stock market not behaved in the same way as the Shanghai market?
  7. What have the Chinese authorities been doing to arrest the fall in share prices? How likely are they to succeed?

With worries about Greek exit from the eurozone, with the unlikelihood of further quantitative easing in the USA and the UK, with interest rates likely to rise in the medium term, and with Chinese growth predicted to be more moderate, many market analysts are forecasting that stock markets are likely to fall in the near future. Indeed, markets are already down over the past few weeks. Since late April/early May, the FTSE is down 4.5%; the German DAX index is down 7.0%; the French CAC40 index is down 6.9%; and the US Dow Jones index is down 2.3%. But does this give us an indication of what is likely to happen over the coming months?

If stock markets were perfectly efficient, then all possible information about the future will already have been taken into account and will all be reflected in current share prices. It would be impossible to ‘get ahead of the game’.

It is only if market participants have imperfect information and if you have better information than other people that you can are likely to predict correctly what will happen. Even then, the markets might be buffeted by random and hence unpredictable shocks.

Some people correctly predicted things in the past: such as crashes or booms. But in many cases, this was luck and their subsequent predictions have proved to be wrong. When financial advisers or newspaper columnists give advice, they are often wrong. If they were reliably right, then people would follow their advice and markets would rapidly adjust to their predictions.

If Greece were definitely to exit the euro, if interest rates were definitely to rise in the near future, if it became generally believed that stock markets were overvalued, then stock markets would probably fall. But these things may not happen. After all, people have been predicting a rise in interest rates from their ultra-low levels for many months – and it hasn’t happened yet, and may not happen for some time to come – but it may!

If you want to buy shares, you might just as well buy them at random – or randomly sell any you already have. As Tetlock says, quoted in the Nasdaq article:

“Even the most astute observers will fail to outperform random prediction generators – the functional equivalent of dart-throwing chimps.”

And yet, people do believe that they can predict what is going to happen to stock markets – if not precisely, then at least roughly. Are they deluded, or can looking calmly at likely political and economic events put them one step ahead of other people who perhaps behave more reactively and emotionally?

Bond rout spells disaster for stock markets as global credit kraken awakens The Telegraph, John Ficenec (14/6/15)
Comment: Many imponderables for markets The Scotsman, Bill Jamieson (14/6/15)
How Ignoring Stock Market Forecasts Will make you a better investor Forbes, Ky Trang Ho (6/6/15)
The Predictions Racket Nasdaq, AdviceIQ, Jason Lina (21/5/15)

Questions

  1. Why may a return of rising interest rates lead to a ‘meltdown in equity prices’? Why might it not?
  2. Why have bond yields fallen dramatically since 2008?
  3. Why are bond yields rising again now and what significance might this have (or have had) for equity markets?
  4. Why may following the crowd often lead to buying high and selling low?
  5. Is there an asymmetry between buying and selling behaviour in stock markets?
  6. Will ignoring stock market forecasts make people better investors?
  7. “The stock market prices suggest that investors believe both the Federal Reserve and the Bank of England are bluffing about raising interest rates. That may be so, but it is an extremely risky game of chicken for investors to play.” Explain and discuss.

The Budget takes place on 17th March 2015 and as always there is much speculation as to what it will and won’t include. One industry that is eagerly awaiting Osborne’s Budget is the North Sea oil and gas industry. Tax cuts and rises may well play a key role in the Budget, but this is one sector where a possibly large tax cut is expected.

The tax paid by this industry is very high compared to others, potentially reaching 80%. The tax rate was increased some years ago and it is now thought that it may come back down. One key factor is oil prices: with such huge decreases in the price of oil relative to when the tax on the industry was increased, the industry is now asking for these tax rises to be reversed. The industry has suggested that a 10% tax cut is a possibility and this would make a big difference for the industry.

Danny Alexander, the chief secretary to the Treasury, said:

“We’ve been very clear that the direction of travel for tax in the North Sea needs to be downwards … And that needs to be even stronger given the low oil price we see at the moment. We want people to have the confidence to invest for the long term future of the North Sea … And so George Osborne and I have been listening very carefully to what the industry has been saying …People will have to wait and see what we say on Wednesday [Budget day], but I hope very much that it will give the North Sea that confidence that we all want to see for one of Britain’s most important industries.”

We may also see further changes for this industry, such as allowances to encourage further investment, as costs of investment are extremely high and this has led to many years of under-investment. These changes are hoped to regenerate this industry. Any change in tax allowances or tax rates will have an impact on tax revenue and it is not necessarily the case that an increase in tax will lead to a rise in revenue or a fall in revenue. The relationship between tax rates and tax revenues can be very complex. The following articles consider this particular issue and what the Budget will do for this industry.

North sea oil groups set for tax breaks in budget Financial Times, Christopher Adams and George Parker (16/3/15)
What does the Budget 2015 mean for the North sea oil industry? The Telegraph, Andrew Critchlow (16/3/15)
Britain needs oil tax cuts to attract North Sea Investment Reuters, Karolin Schaps and Claire Milhench (16/3/15)
Treasury paves way for major tax cut for North sea BBC News, Kamal Ahmed (16/3/15)
Home of Brent Oil benchmark seeks help as investment slumps Bloomberg, Firat Kayakiran (17/3/15)

Questions

  1. If a tax is imposed on an industry, what type of effect might this have on costs of production? Use a diagram to support your answer.
  2. In the BBC News article, North Sea Oil is referred to as a cash cow. What does this mean?
  3. If taxes are cut for the North Sea Oil industry, how will this affect its costs and what might it doe for investment?
  4. What will happen to tax revenues if taxes are cut? Use the Laffer curve to help your answer.
  5. How has the North Sea Oil industry been affected by falling oil prices? Does this offer a justification for a tax cut?

Ever been to the cinema and found it almost empty? And then wondered why you paid the full price? Perhaps you’ve taken advantage of Orange Wednesday or only go if there’s a particularly good film on? Often it might be cheaper to wait until the film is out on DVD!

Going to the cinema can be an expensive outing. The ticket, the popcorm, a drink, ice cream – it all adds up! Orange Wednesday has recently disappeared and this will definitely have an impact on consumption of movies at your local Odeon, Vue or Showcase. The impact will be on how many seats are left empty.

However, a new app could be set to generate revenues for the cinema and provide cheaper entertainment for your everyday consumer. This new app will allow cinemas to send out alerts to people in the local area advising them that a screening will have many empty seats. What’s the incentive? Perhaps a discount, or some food. But, why would they do such a thing?

If a movie is being shown at a cinema, there will be a large fixed cost. However, what happens as each additional consumer enters the theatre? Does the cost to the cinema rise? Perhaps there is a small cost with more cleaning required, but the additional cost of actually showing the film if there 11 rather than 10 people is almost (if not equal to) zero. That is, the marginal cost of an extra user is zero. Therefore, if there is a screening with many empty seats, wouldn’t the cinema be better to offer the seats for half price. After all, if you can earn £5 from selling a ticket and the additional cost is almost zero, then it’s better to sell it for £5 than not sell it for £10! The following article and video from BBC News considers this new app and other strategies to maximise cinema usage!

Apps in pockets, bums on cinema seats BBC News, Dave Lee (27/2/15)

Questions

  1. What would the budget constraint look like for a cinema where a discount was offered if you purchased two cinema tickets and then received the third ticket for half price?
  2. Why is the marginal cost of an extra user at the cinema almost zero?
  3. If the MC = 0, does this mean that a cinema is a public good?
  4. How will this new app allow a cinema to increase total revenue and profit?
  5. If it is cheaper to buy a DVD rather than go to a cinema, why do people still go to the cinema?