Economic journalists, commentators and politicians have been examining the possible economic effects of a Yes vote in the Scottish independence referendum on 18 September. For an economist, there are two main categories of difficulty in examining the consequences. The first is the positive question of what precisely will be the consequences. The second is 
the normative question of whether the likely effects will be desirable or undesirable and how much so.
The first question is largely one of ‘known unknowns’. This rather strange term was used in 2002 by Donald Rumsfeld, US Secretary of Defense, in the context of intelligence about Iraq. The problem is a general one about forecasting the future. We may know the types of thing that are likely happen, but the magnitude of the outcome cannot be precisely known because there are so many unknowable things that can influence it.
Here are some known issues of Scottish independence, but with unknown consequences (at least in precisely quantifiable terms). The list is certainly not exhaustive and you could probably add more questions yourself to the list.
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Will independence result in lower or higher economic growth in the short and long term? |
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Will there be a currency union, with Scotland and the rest of the UK sharing the pound and a central bank? Or will Scotland merely use the pound outside a currency union? Would it prefer to have its own currency or join the euro over the longer term? |
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What will happen to the sterling exchange rate with the dollar, the euro and various other countries? |
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How will businesses react? Will independence encourage greater inward investment in Scotland or will there be a net capital outflow? And either way, what will be the magnitude of the effect? |
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How will assets, such as oil, be shared between Scotland and the rest of the UK? And how will national debt be apportioned? |
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How big will the transition costs be of moving to an independent Scotland? |
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How will independence impact on Scottish trade (a) with countries outside the UK and (b) with the rest of the UK? |
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What will happen about Scotland’s membership of the EU? Will other EU countries, such as Spain (because of its concerns about independence movements in Catalonia and the Basque country), attempt to block Scotland remaining in or rejoining the EU? |
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What will happen to tax rates in Scotland, with the new Scottish government free to set its own tax rates? |
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What will be the consequences for Scottish pensions and the Scottish pensions industry? |
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What will happen to the distribution of income in Scotland? How might Scottish governments behave in terms of income redistribution and what will be its consequences on output and growth? |
Of course, just because the effects cannot be known with certainty, attempts are constantly being made to quantify the outcomes in the light of the best information available at the time. These are refined as circumstances change and newer data become available.
But forecasts also depend on the assumptions made about the post-referendum decisions of politicians in Scotland, the rest of the UK and in major trading partner countries. It also depends on assumptions about the reactions of businesses. Not surprisingly, both sides of the debate make assumptions favourable to their own case.
Then there is the second category of question. Even if you could quantify the effects, just how desirable would they be? The issue here is one of the weightings given to the various costs and benefits. How would you weight distributional consequences, given that some people will gain or lose more than others? What social discount rate would you apply to future costs and benefits?
Then there are the normative and largely unquantifiable costs and benefits. How would you assess the desirability of political consequences, such as greater independence in decision-making or the break-up of a union dating back over 300 years? But these questions about nationhood are crucial issues for many of the voters.
Articles
Scottish Independence would have Broad Impact on UK Economy NBC News, Catherine Boyle (9/9/14)
Scottish independence: the economic implications The Guardian, Angela Monaghan (7/9/14)
Scottish vote: Experts warn of potential economic impact BBC News, Matthew Wall (9/9/14)
The economics of Scottish independence: A messy divorce The Economist (21/2/14)
Dispute over economic impact of Scottish independence Financial Times, Mure Dickie, Jonathan Guthrie and John Aglionby (28/5/14)
10 economic benefits for a wealthier independent Scotland Michael Gray (6/3/14)
Scottish independence, UK dependency New Economics Foundation (NEF), James Meadway (4/9/14)
Scottish Jobs and the World Economy Scottish Economy Watch, Brian Ashcroft (25/8/14)
Scottish yes vote: what happens to the pound in your pocket? Channel 4 News (9/9/14)
What price Scottish independence? BBC News, Robert Peston (12/9/14)
What price Scottish independence? BBC News, Robert Peston (7/9/14)
Economists can’t tell Scots how to vote BBC News, Robert Peston (16/9/14)
Books and Reports
The Economic Consequences of Scottish Independence Scottish Economic Society and Helmut Schmidt Universität, David Bell, David Eiser and Klaus B Beckmann (eds) (August 2014)
The potential implications of independence for businesses in Scotland Oxford Economics, Weir (April 2014)
Questions
- What is a currency union? What implications would there be for Scotland being in a currency union with the rest of the UK?
- If you could measure the effects of independence over the next ten years, would you treat £1m of benefits or costs occurring in ten years’ time the same as £1m of benefits and costs occurring next year? Explain.
- Is it inevitable that events occurring in the future will at best be known unknowns?
- If you make a statement that something will occur in the future and you turn out to be wrong, was your statement a positive one or a normative one?
- What would be the likely effects of Scottish independence on the current account of the balance of payments (a) for Scotland; (b) for the rest if the UK?
- How does inequality in Scotland compare with that in the rest of the UK and in other countries? Why might Scottish independence lead to a reduction in inequality? (See the chapter on inequality in the book above edited by David Bell, David Eiser and Klaus B Beckmann.)
- One of the problems in assessing the arguments for a Yes vote is uncertainty over what would happen if there was a majority voting No. What might happen in terms of further devolution in the case of a No vote?
- Why is there uncertainty over the amount of national debt that would exist in Scotland if it became independent?
In 2009, interest rates in the UK were cut to a record low of 0.5%. Since that point, there has been almost unanimous agreement amongst the members of the Monetary Policy Committee to keep rates at this low. It is only in the last couple of months when some have even voted to raise rates. However, this month, interest rates were once again held at 0.5%.
The low interest rates have played a key part in creating an economic stimulus for the UK economy. With low interest rates, some of the key components of aggregate demand are stimulated and this in turn is crucial in creating a growth environment. However, with the recovery of the UK economy, there are now expectations that interest rates may soon begin to rise. Perhaps adding to this expectation is the fact that the bank’s stimulus programme has remained unchanged at £375bn. As more data is released that continues to show the positive progress of the UK economy, it becomes increasingly likely that interest rates will soon rise.
Despite the fact that interest rates will inevitably increase, Mark Carney has said that any increase will be slow and gradual to minimise the effect on consumers, especially home-owners. Mortgage payments are typically the biggest expenditure for a household and so any increase in interest rates will certainly put added pressure on home-owners and with wage growth still remaining slow, there are concerns of the impact this may have. Perhaps this may continue to deter some of the Committee for voting in favour of interest rate rises. There does appear to be some conflict between economists as to what the next step is likely to be. Yael Selfin is the economics director at KPMG and said:
With inflationary pressures still subdued, it is no surprise that rates have been held … Despite recent revisions to GDP and productivity, there is still room for further improvements in productivity, to mop up some of the rise in demand over the coming months. Steady falls in unemployment and strong economic growth are likely to see rates rising in February next year.
However, Andrew Goodwin, who is the senior economic adviser to the EY ITEM Club commented that:
On one hand, the stronger performance might convince some members that the economy is sufficiently robust to withstand the steady tightening of policy, although it should be noted that the Bank routinely builds into its forecasts the expectation of some upward revisions to the recent historical data … On the flip side, the revisions also provide some ammunition for those of a dovish persuasion, with evidence that a stronger productivity performance has had little feed through into inflationary pressures.
The key question therefore appears to be not whether interest rates will increase, but when. The MPC certainly considers inflation when making its decisions, but over the past few years, it is economic growth which has probably been the biggest influence. The data for the UK economy over the coming months, as well as the fast-approaching General Election, will prove crucial in determining exactly when interest rates increase. The following articles consider this monetary policy change.
UK interest rates held at record low of 0.5% BBC News (4/9/14)
Bank of England holds interest rates at 0.5pc for 66th month The Telegraph, Szu Ping Chan (4/9/14)
Timing of UK interest rate hike mired in UK services sector conundrum International Business Times, Lianna Brinded (3/9/14)
Interest rates expected to hold Mail Online, Press Association (31/8/14)
Bank of England holds rates despite robust recovery Reuters, Andy Bruce (4/9/14)
Bank of England keeps record-low rate on weak inflation Bloomberg, Scott Hamilton (4/9/14)
Questions
- By outlining the key components of aggregate demand, explain the mechanisms by which interest rates will affect each component.
- How can inflation rates be affected by interest rates?
- Why is there a debate between economists and the MPC as to when interest rates should be increased?
- If interest rates do increase, how is this likely to affect home-owners?
- What are the advantages and disadvantages of a slow and gradual rise as opposed to one big rise?
The eurozone recorded 0.0% growth in the second quarter of 2014. While the UK and USA are now experiencing relatively buoyant economic growth, the eurozone as a whole is stagnating. Some of the 18 eurozone countries, it is true, are now growing, including Spain, Portugal, Ireland and the Netherlands. But the German and Italian economies contracted in the three months to the end of June, while France experienced zero growth.
This will put growing pressure on the ECB to introduce quantitative easing (QE) through the direct purchase of government bonds or other assets. Although this has been a key policy of many central banks, including the Bank of England, the Fed and the Bank of Japan, up to now the ECB has focused mainly on providing cheap funds to banks to encourage them to lend and keeping interest rates very low.
In June, the ECB did announce that it would explore the possibility of QE. It would also introduce €400 billion worth of targeted long-term lending to banks (targeted longer-term refinancing operations (TLTROs)), and would cease sterilising the extra liquidity injected through the Securities Markets Programme, which involved the purchase of existing bonds on the secondary market.
These plans and their implications are examined in the blog post, The ECB: tackling the threat of deflation.
But even if it does eventually introduce QE, this is unlikely before 2015. However, the first €200 billion of TLTROs will be introduced in September and the remaining €200 billion in December. The ECB hopes that these measures in the pipeline will give a sufficient stimulus to rekindle economic growth. But increasingly there are calls for something more dramatic to be done to prevent the eurozone as a whole slipping back into recession.
Articles
Eurozone economy grinds to halt even before Russia sanctions bite Reuters, Michelle Martin and Martin Santa (14/8/14)
ECB under pressure to boost growth, analysts say BBC News (14/8/14)
Eurozone growth at zero as Germany slumps, France stagnates Deutsche Welle (14/8/14)
Eurozone crisis: The grim economic reality BBC News, Gavin Hewitt (14/8/14)
Eurozone growth splutters to a halt as crisis enters new phase The Guardian, Larry Elliott (14/8/14)
Eurozone can learn from George Osborne and Bank of England stimulus The Guardian, Larry Elliott (14/8/14)
Broken Europe: economic growth grinds to a standstill The Telegraph, Szu Ping Chan (14/8/14)
One-in-three chance the ECB conducts quantitative easing next year – Reuters Poll Reuters, Sumanta Dey (13/8/14)
Eurozone’s Unravelling Recovery: What’s Going Wrong Across Troubled Currency Bloc International Business Times, Finbarr Bermingham (14/8/14)
France calls on ECB to act as eurozone growth grinds to a halt The Guardian, Larry Elliott (14/8/14)
That sinking feeling (again) The Economist (30/8/14)
Data
GDP stable in the euro area and up by 0.2% in the EU28 eurostat euroindicators (14/8/14)
Statistics Pocket Book ECB
European Economy: links to data sources Economics Network
Euro area economic and financial data ECB
Questions
- Explain how quantitative easing works.
- Why has the ECB been reluctant to introduce QE?
- What is meant by sterilisation? Why did the ECB sterilise the effects of the assets purchased under the Securities Markets Programme? Why did it cease doing this in June?
- How have events in Ukraine and political reactions to them influenced the eurozone economy?
- Should QE be ‘fast tracked’? Would there be any dangers in this?
- What is the ‘Funding for Lending’ scheme in the UK? Is the planned introduction of TLTROs similar to Funding for Lending?
The most commonly used measure of economic performance is GDP and while there is agreement that it is an important and useful measure, there is also agreement that there are some big problems with it. Does it measure welfare or quality of life? What is and isn’t included? Do some things add to GDP which actually make us worse off?
One criticism often levelled at GDP is that there are many aspects that go unmeasured – often known as the underground economy. Some areas are typical everyday things – DIY, looking after your own children rather than paying someone to do it, or even giving yourself a haircut. But, there are other activities, often illegal, which go unrecorded, such as the selling and distribution of drugs and prostitution. In countries like the Netherlands, their GDP figures get a boost, as some drugs and prostitution are legal. In other countries, such data is not recorded and as such, the contribution of these markets is under-estimated or even completely omitted.
However, this aspect of the calculation of GDP statistics is changing across Europe, which will allow much easier and more meaningful comparisons of relative GDP across countries. This extra production will therefore offer a positive contribution towards our GDP and perhaps suggest to the untrained eye that the British economy is growing, which can only be good news. But, for the trained economist, we are looking at extra data being added, which will boost total output and the question will be does it really indicate that the economy is better off? The following articles consider this change to GDP.
Small data: The way drugs and prostitution boost the economy BBC News (4/4/14)
Small data: Calculating the sex and drugs economy BBC News (2/6/14)
UK economic output to be revised up after ONS updates BBC News, Anthony Reuben (10/6/14)
UK economic output will get near 5 percent boost from data changes Reuters (10/6/14)
Accounting for drugs and prostitution to help push UK economy up by £65bn The Guardian, Katie Allen (10/6/14)
Questions
- What does GDP measure? Is it good at measuring it?
- Explain the pros and cons of using GDP to measure the welfare of an economy.
- Why are there problems using GDP to compare output between countries?
- Is it a good idea to include markets such as sex and drugs in calculating a nation’s output?
- What other measures of welfare do we have?
At the end of January 2014, we looked at the problem of deflation and in particular at the fortunes of Japan, as its CPI was rising. As the blog explained, the Japanese economy, rather than being plagued by high inflation has been plagued by deflation and many suggest this is even worse.
In December 2013, Japan’s core consumer prices were growing faster than expected. The data gave the economy a much needed boost, following increases in government spending aimed at stimulating aggregate demand. This in turn pushed up prices, such that they achieved their fastest rate of growth in 5 years. Now, more recent date from May 2014 shows that the trend has continued. Prices in Japan have now increase at their fastest rate in 23 years, rising 3.2% and beating the forecasts of 3.1%. This means that prices have no risen in Japan for 11 consecutive months. Numerous policies have contributed towards this impressive trend for an economy plagued by deflation for 2 decades. Boosts in the money supply, increases in government spending, a rise in sales tax are just some of the contributing factors.
Although the economy is certainly over the problem of deflation, some are now concerned that such price rises may reduce consumer spending. An ironic twist, given that barely a year ago the concern about low consumer spending was due to deflation. The next 12 months will be a key indicator of how consumers will respond to this unusual inflation data – after all inflation and high prices have been pretty uncommon. The following articles consider the update on the Japanese economy.
Japan inflation rate hits 23 year high (including video) BBC News (30/5/14)
Japan April core CPI rises to 23-year high after sales tax rise Reuters (29/5/14)
Japan inflation accelerates Wall Street Journal, Takashi Nakamichi (30/5/14)
Japan’s consumer inflation set to reach five year high The Guardian (18/4/14)
Japan’s inflation at highest rate for 23 years The Telegraph, Rebecca Clancy (30/5/14)
Japan inflation quickens to fastest since 1991 Bloomberg, Toru Fujioka (30/5/14)
Japaense inflation rises at fastest pace in over five years at 1.3% in December 2013 Independent, Russel Lynch (31/1/14)
Questions
- Why is deflation a problem?
- Using an AD/AS diagram, illustrate the problem of expectations and how this contributes to stagnant growth.
- Japanese policies have helped create a rise in the CPI. Which policies have been effective in creating rising prices?
- Explain how the sales tax has contributed towards higher prices.
- With prices rising, there are now concerned that consumer spending may decline. Using a diagram, explain why this may be the case.
- In the previous blog, we analysed the Indian economy and said that high inflation was something that was contributing towards lower growth. How is that low inflation or deflation can also contribute towards low growth?
Economic journalists, commentators and politicians have been examining the possible economic effects of a Yes vote in the Scottish independence referendum on 18 September. For an economist, there are two main categories of difficulty in examining the consequences. The first is the positive question of what precisely will be the consequences. The second is 
But forecasts also depend on the assumptions made about the post-referendum decisions of politicians in Scotland, the rest of the UK and in major trading partner countries. It also depends on assumptions about the reactions of businesses. Not surprisingly, both sides of the debate make assumptions favourable to their own case.
