The UK is an island-economy. Therefore, trade is a crucial determinant of our economic performance. The competitiveness of our exports, in part, is affected by the exchange rate. Floating exchange rates are notoriously volatile. However, since the autumn of 2007 we have observed a significant depreciation of the UK exchange rate. In other words the number of units of many foreign currencies to the British pound has fallen. A depreciation helps to make our exports more competitive abroad. We detail the extent of this depreciation and any signs of a reversal in this pattern.
Rather than look at the British pound (or any currency) against the many foreign currencies separately we can look at the average exchange rate against a whole bundle of currencies. The average rate is calculated by weighting the individual exchange rates by the amount of trade between Britain and the other countries. This trade-weighted exchange rate is known as the effective exchange rate.
In analysing the competitiveness of the exchange rate, we can go one step further and adjust for the terms of trade. This means that we adjust for the average price of our exports relative to the average price of those goods we import. Therefore, as well as the nominal (actual) effective exchange rate we can calculate a real effective exchange rate. If the average price of our exports rises relative to the average price of imports, the real effective exchange rate rises relative to the nominal rate. It means that we are able to obtain a larger volume of imports from selling a given volume of exports.
The chart shows the nominal (actual) and real effective exchange rate for the British pound since 2002. The chart shows clearly how from the autumn of 2007 the effective exchange rate both in nominal and real terms began to fall sharply. Over the period from September 2007 to January 2009 the nominal effective exchange rate fell by 26 per cent. After adjusting for the relative price of exports to imports, we find the real effective exchange rate fell by 24 per cent. In other words, the British pound depreciated by close to one-quarter in just 16 months.
If we move the clock forward, we observe a mild appreciation of the British pound since July 2011. In nominal terms, the effective exchange rate has appreciated by 6.8 per cent while in real terms it has appreciated by 7.8 per cent. Nonetheless, if we compare September 2007 with October 2012, we find that the nominal effective exchange rate for the British pound is 19 per cent lower while the real effective exchange rate is approximately 13 per cent lower. This still constitutes a major competitive boost for our exporters.
Data
BIS effective exchange rate indices Bank for International Settlements
Articles
Sterling gains as eurozone weakness prevails Reuters UK, Phillip Baillie (7/12/12)
Pound steady after Autumn Statement Financial Times, Alice Ross (5/12/12)
Sterling at risk after triple-A warning, outlook negative Reuters UK, Phillip Baillie (6/12/12)
Questions
- Explain how the foreign demand for goods and assets generates a demand for British pounds. How will this demand be affected by the foreign currency price of the British pound, i.e. the number of foreign currency units per £1?
- Explain how the demand by British residents for foreign goods and assets generates a supply of British pounds. How will this supply be affected by the foreign currency price of the British pound, i.e. the number of foreign currency units per £1?
- What factors are likely to shift the demand and supply curves for British pounds on the foreign exchange markets?
- Illustrate the effect of a decrease in the demand for British goods and assets on the exchange rate (i.e. the foreign currency price of the British pound) using a demand-supply diagram.
- What is the difference between a nominal and a real effective exchange rate? Which of these is a better indicator of the competitiveness of our country’s exports?
If aggregate demand were to expand, would there be sufficient spare capacity to allow aggregate supply to expand to meet the additional demand? This is the question addressed by the podcast and article below.
If there is plenty of spare capacity, policies to increase aggregate demand could help to take up the slack and thereby achieve economic growth – at least as long as spare capacity remains. In other words, in the short run the aggregate supply curve may be horizontal or only gently upward sloping at the current point of intersection with the aggregate demand curve. This is illustrated by point a in the diagram. A rightward shift in the aggregate demand curve would cause a movement along the aggregate supply curve to a new higher level of real national income (Y).

If, however, there is little or no spare capacity, an increase in nominal aggregate demand is likely to be purely inflationary, or virtually so. This would the case at point b in the diagram. Real national income cannot expand beyond the full-capacity level, YFC. Under such circumstances, any attempt by the government to stimulate economic growth should focus on the supply side and attempt to shift the aggregate supply curve to the right. Examples of supply-side policy include incentives to encourage research and development, incentives for the private sector to invest in new capacity and direct public investment in infrastructure.
Unemployment is not just caused by a lack of aggregate demand relative to aggregate supply. It may be the result of a mismatching of labour supply with the demand for labour. People may have the wrong qualifications or not be where the jobs are. Unemployment may co-exist with quite high levels of vacancies. There may be vacancies for highly qualified scientists, technicians or craftspeople and unemployment of people with low skills or skills no longer in high demand. The same may apply to capital equipment. There may be a shortage of high-tech equipment or equipment to produce goods in high demand and redundant older equipment or equipment in areas of declining demand.
Part of a comprehensive set of policies to tackle unemployment and achieve economic growth would be to focus on the whole balance of the economy and the matching of the demand and supply of inputs.
Podcast
Is there ‘spare capacity’ in the economy? BBC Today Programme, Evan Davis and Andrew Sentance (4/12/12)
Article
OBR’s supply pessimism could be the ruin of this government The Telegraph, Roger Bootle (25/11/12)
Data
Claimant count and vacancies dataset ONS (14/11/12)
Labour Market Statistics, November 2012 ONS (14/11/12)
Actual weekly hours worked ONS (14/11/12)
Usual weekly hours worked ONS (14/11/12)
Questions
- Distinguish between ‘unemployment’, ‘underemployment’ and ‘disguised unemployment’?
- To what extent does the level of unemployment provide a good measure of spare capacity?
- Is the UK economy suffering from a deflationary gap? If so, how would you measure the size of that gap?
- If there is substantial spare capacity, is expansionary fiscal policy the best means of achieving economic growth?
- What policies are likely to have both a positive supply-side effect and a positive demand-side effect?
- What constraints does the government face in attempting to boost aggregate demand?
- Why might policies designed to stimulate aggregate demand also increase supply capacity?
- What policies would you recommend for tackling the mismatching of the demand and supply of inputs?
Unemployment is a term that economists and non-economists are familiar with, even if the non-economists perhaps have a less stringent definition of what we term unemployment. Typically, we say you are unemployed if you are of working age and available for work at the current wage rate, but are not in work. Another important and related concept is that of underemployment, which according to the ONS, is a growing problem in the economy.
Latest figures released by the ONS show that just over 10% of all workers in the UK would like to work more hours each week. This is essentially what underemployment is and it typically affects part-time workers who want to move closer to a full-time job, but are unable to find the necessary hours from their employer. As the economic situation in the UK worsened after the financial crisis, unemployment increased rapidly. Some people went from working full-time to part-time and others simply lost their job. As the economy started to stabilize, people began returning to work, but many found that part-time employment was the only option, despite wanting to work many more hours at the going wage rate. As the ONS said:
During this period [the economic downturn] many workers moved from full-time to part-time roles and many of those returning to work after a period of unemployment could only find part-time jobs … Of the extra one million underemployed workers in 2012 compared with 2008, three-quarters were in part-time posts.
The increase in underemployment has levelled off and though the recession has been a key contributing factor to the higher levels of underemployment, it’s important to note that it can be caused by a few things, as outlined by the ONS.
• employers only being able to offer a few hours of work each week
• workers, such as bar staff, being in jobs where they are only required for a few hours a day
• personal circumstances changing so that someone now wants to work more hours than before
• people settling for a part-time job as second-best when they would much rather have a full-time one
Although many people are happy with their part-time jobs and hence would not see themselves as underemployed, for those who are underemployed, the fact that they cannot find sufficient hours seems to indicate an inefficiency within the economy, especially if long-term unemployment or underemployment emerges. This problem is particularly relevant amongst the young and those in low-skilled jobs. However, it is also an increasing problem amongst the self-employed.
The implications of underemployment are far-reaching. Naturally it adversely affects an individual’s financial situation, which at the current time with rising household bills can have devastating consequences. There are also wider effects such as the economic implications in terms of economic growth and inefficiency, as well as a potential increased strain on the tax and benefits system. Given these far-reaching consequences, it is an issue that everyone should be concerned about. The following articles consider the growth of underemployment in the UK economy.
Underemployed workers jump by 1m since financial crisis Telegraph, Rebecca Clancy (28/11/12)
Underemployment affects 10.5% of UK workforce (including video) BBC News (28/11/12)
Economic crash leaves an extra 1million workers under-employed and wanting more hours Mail Online (28/11/12)
UK is underemployed: should we be surprised? BBC News, Stephanomics, Stephanie Flanders (28/11/12)
Unemployment affects 1 in 10 workers, ONS says Guardian, Mark King (28/11/12)
One in 10 workers no underemployed Financial Times, Brian Groom (28/11/12)
Underemployment rises to affect one in ten workers Channel 4 News (28/11/12)
Questions
- What is the difference between unemployment and underemployment? Is one worse than the other?
- Why did underemployment initially begin to rise after the financial crisis and what factors helped to slow the increase?
- How can underemployment be measured? Is it likely to be accurate?
- Part-time work has risen in recent decades, as part of a more flexible labour market. Do you think this is a good thing or does it add to the problem of underemployment?
- What are the economic implications of underemployment? You should think about the effects on an individual, their family, society and the wider economy.
- How can someone who is self-employed be classed as underemployed?
- What action, if any, can be taken by the government to tackle the rising problem of underemployment?
UK Unemployment figures for the July to September period have just been published. Perhaps surprisingly, the rate has fallen to 7.8% from 8.0% in the previous 3-month period. What is more, there have been similar 0.2 percentage-point falls in each of the two 3-month periods prior to that (see chart below).
This would normally suggest that the economy has been growing strongly and faster than the growth in potential output. But, despite positive economic growth in quarter 3 (see A positive turn of events?), the economy has been experiencing a prolonged period of low or negative growth.

So what is the explanation for the fall in unemployment? (For a PowerPoint of the chart, click here)
One reason is a greater flexibility in the labour market than in previous recessions. People are more willing to accept below inflation wage increases, or even nominal wage cuts, in return for greater job security. Others are prepared to reduce their hours.
The other reason is a fall in productivity (i.e. output per hour worked). One explanation is that people are not working so hard because, with a lack of demand, there is less pressure on them to be productive; a similar explanation is that firms are ‘hoarding’ labour in the hope that the market will pick up again.

Another explanation is that employment growth has often occurred in the low productivity industries, such as labour-intensive service industries; another is that when people leave their jobs they are replace by less productive workers on lower wages; another is that workers are making do with ageing equipment, whose productivity is falling, because firms cannot afford to invest in new equipment. An range of possible explanations is given on page 33 of the Bank of England’s November 2012 Inflation Report.
But with many predicting that growth will be negative again in 2012 quarter 4, the fall in unemployment may not continue. Britain may join many other countries in Europe and experience rising unemployment as well as falling output.
Articles
Government hails fall in jobless total The Guardian, Hélène Mulholland (14/11/12)
UK unemployment figures: analysis The Guardian, Larry Elliott (14/11/12)
Jobless claims rise as Olympics effect wanes The Telegraph, Rachel Cooper and Louisa Peacock (14/11/12)
UK unemployment falls to 2.51 million, ONS says BBC News (14/11/12)
Unemployment continuing to fall BBC News, Stephanie Flanders (14/11/12)
Britain’s recession: Harsh but fair? BBC News, Stephanie Flanders (17/10/12)
The UK productivity puzzle (cont’d) BBC News, Stephanie Flanders (20/9/12)
UK jobs: The plot thickens BBC News, Stephanie Flanders (15/8/12)
Data
Unemployment: the key UK data and benefit claimants for every constituency Guardian Data Blog
Labour Market Statistics, November 2012 ONS
Video Summary: Latest on the Labour Market, November 2012 ONS
Labour Productivity, Q2 2012 ONS
International Comparisons of Productivity, First estimates for 2011 ONS
Questions
- What possible explanation are there for the latest fall in unemployment?
- What has been happening to employment, both full time and part time?
- What are the different ways of measuring productivity? Why will they be affected differently by a fall in the average number of hours worked?
- Why might it be in firms’ interests to maintain the level of their workforce despite falling sales?
- Assume that there has been a fall in aggregate demand. Compare the resulting effect on consumption of (a) a fall in wages rates; (b) a rise in unemployment. How might the design of the benefit system affect the answer?
More and more food banks are opening every week across the developed world. In the UK alone, there are over 250 food banks. These are run by volunteers and provide food and other basic provisions to those who struggle to feed themselves and their children. The food is donated by people or sometimes supermarkets. Some food banks receive financial help from local authorities.
According to the Trussell Trust, which runs many food banks in the UK, “In 2011-12 food banks fed 128,687 people nationwide, 100% more than the previous year.” But why, in mixed economies, where the State is expected to provide benefits to the poor, do so many people have to resort to food handouts?

Partly the problem is a cut in benefits – a response of many countries to rising public-sector deficits; partly it’s delays in receiving benefits or the complexities in claiming; partly it’s because some people have had their benefits suspended because of a change in their circumstances or changes in the conditions for claiming benefits; partly it’s the inability of people to afford to feed their families properly in times of rising food and energy prices and rising rents, where incomes are not rising in line with the personal rates of inflation that poor households experience; partly it’s the sky-high interest rates that many poor people, often deep in debt, have to pay to continue obtaining credit – often from ‘payday loan companies’ or ‘doorstep lenders’; partly it’s the inability of many poor people to find work which pays enough to feed their families and pay all their other bills.
Food poverty is a real and growing problem. But are food banks the answer? The following videos and articles look at the issues.
Webcasts
UK
Growing demand for food banks in Britain BBC Newsnight, Paul Mason (5/9/12)
Children will go hungry warn Bristol food banks This is Bristol, (2/7/12)
Children going hungry ITV News (16/10/12)
Food bank: We need more food to feed UK’s hungry The Telegraph, Gregg Morgan (27/9/12)
Food banks help struggling London families BBC News (21/6/12)
Europe
EU food aid to dry up by 2014? France 24 (16/10/12)
Spain
Food banks squeezed in Spain Euronews (3/11/12)
USA
As donations dwindle, food banks are feeling the pinch Komo News, Elisa Jaffe (28/9/12)
Articles
UK
Breadline Britain: councils fund food banks to plug holes in welfare state The Guardian, Patrick Butler (21/8/12)
Councils to invest in food banks LocalGov, Dominic Browne (22/8/12)
The growing demand for food banks in breadline Britain BBC News, Paul Mason (4/9/12)
Food banks: ‘I had no-one else to turn to’ BBC News (4/9/12)
Poorest starved of dignity as charity food parcels double in just two years Daily Record (4/9/12)
More and more banking on generosity to others for food South Wales Evening Post (13/11/12)
USA
Northern Illinois Food Bank Kicks Off Hunger Action Month St. Charles Patch, Rick Nagel (1/9/12)
Australia
More families get help as food becomes discretionary spend Sydney Morning Herald (21/8/12)
Information
How a foodbank works The Trussell Trust
Questions
- Why do so many people find themselves trapped in food poverty?
- What factors are likely to lead to an increase in food poverty in the coming months?
- Should the government subsidise food banks?
- Discuss ways of tackling the problem of poor families being trapped in debt and having to pay very high interest rates.
- Is rent control a good means of tackling poverty?