Tag: prisoner’s dilemma

Well they say that a day is a long-time in politics – that an awful lot can happen within 24 hours. The two days of the G20 summit have seemed like a lifetime. The meeting took place in Cannes from 3 to 4 November, 2011. It was the sixth such meeting of the G20: the 19 largest developed and developing countries plus the European Union.

As chair of the meeting, President Sarkozy of France had planned to address the two key global issues of securing a sustained global recovery and strengthening the global banking system. He also wanted to address other issues, such as climate change, commodity price volatility, social inclusion, corruption and corporate governance. But although these issues are covered in the final communiqué, what took centre-stage for the whole summit was the crisis in Greece and its impact on the eurozone.

The drama began on Monday 31 October. The Greek Prime Minister, George Papandreou, decided to call a referendum on the agreement reached at the eurozone summit in Brussels the previous week. In return for banks being required to take a loss of 50% in converting existing Greek bonds into new ones, Greece would have to continue with its tough austerity measures: measures that have caused the Greek economy to implode.

With worries that (a) the referendum would create several weeks of uncertainty, (b) that the agreement might then be rejected, (c) that the government might fall, stock markets plunged. French and German markets fell by over 5%. The Athens stock market fell by 7 per cent. The yield on Italian bonds passed 6%, amidst fears that if Greece defaulted, so too might Italy. But if the eurozone could survive a Greek default, it might not survive an Italian one. Even though several members of Mr. Papandreou’s Pasok party demanded his resignation, he stuck to his guns that an agreement had to have the consent of the Greek people. That was Tuesday.

The next day, Wednesday, was the start of the two-day G20 conference. What was to have been a meeting addressing wider issues of the global economy, was now having to focus on the Greek crisis. President Sarkozy and Chancellor Merkel made it clear that the next tranche of bailout money to Greece would not be paid until the deal agreed in Brussels was accepted by Greece. They gave the first indications that they might accept Greece’s withdrawal from the eurozone.

On Thursday afternoon, Mr Papandreou signalled that he would back down from the referendum if the opposition New Democracy party would join him in supporting the Brussels deal. He would not resign. But the opposition leader, Antonis Samaras, said that his party would not join with Mr Papandreou and that the Prime Minister should indeed resign. He did not resign, but abandoned the calll for a referendum.

With the Greek crisis dominating the meeting, little concrete agreement was reached. One important outcome, however, was the recognition that the financing of the IMF should be strengthened. As the final communiqué states:

We will ensure the IMF continues to have resources to play its systemic role to the benefit of its whole membership, building on the substantial resources we have already mobilized since London in 2009. We stand ready to ensure additional resources could be mobilised in a timely manner and ask our finance ministers by their next meeting to work on deploying a range of various options including bilateral contributions to the IMF, SDRs, and voluntary contributions to an IMF special structure such as an administered account. We will expeditiously implement in full the 2010 quota and governance reform of the IMF.

But despite this recognition of the key role of the IMF, the agreement was essentially that an agreement would be needed!

Articles

Eurozone crisis: yet another twist to Greek farce keeps leaders on edge of seats The Telegraph (4/11/11)
G20 summit: the main issues at Cannes The Telegraph (3/11/11)
Quick! More sandbags (filled with cash) The Economist, Charlemagne’s notebook (4/11/11)
The burning fuse The Economist, Charlemagne’s notebook (4/11/11)
G20 leaders agree to boost IMF resources BBC News (4/11/11)
G20 summit fails to allay world recession fears Guardian, Patrick Wintour and Larry Elliott (4/11/11)
G20 summit: roll call of doom for a dysfunctional family Guardian, Angelique Chrisafis (3/11/11)
Euro zone finds no new money for debt crisis at G20 The Economic Times of India (4/11/11)
Shares jump after referendum ditched New Zealand Herald (5/11/11)
Bunds rise on EFSF worries, Italy under pressure Reuters (4/11/11)
Eurozone crisis: The possible resolutions BBC News (4/11/11)
The G20 aren’t running to Europe’s rescue BBC News blogs, Stephanie Flanders (4/11/11)
Is the euro about to capsize? BBC News, Laurence Knight (4/11/11)

Final Communiqué

Meeting of Finance Ministers and Central Bank Governors: final communiqué G20–G8 France 2011 (4/11/11)

Questions

  1. Why might the ‘game’ between the eurozone leaders and George Papandreou be seen as a prisoner’s dilemma game? What are the payoffs?
  2. Why might increasing the bailout for Greece represent a moral hazard for the eurozone leaders?
  3. Trace through market reactions between the 31 October and the 4 November and explain the movements.
  4. How crucial is the IMF in achieving global stability and economic growth?
  5. Assess the success of the Cannes G20 conference.

The possibility of currency and trade wars and how to avert them were major topics at the G20 meeting in Seoul on 11 and 12 November 2010. Some countries, such as the USA and the UK have been running large current account deficits. Others, such as China, Germany and Japan have been running large current account surpluses. But balance of payments accounts must balance. Thus there have been equal and opposite imbalances on the financial plus capital accounts. Large amounts of finance and capital have flowed from the trade-surplus to the trade-deficit countries. In particular China holds a vast amount of US dollar assets: a debt for the USA.

The trade and finance imbalances are linked to exchange rates. The USA has accused China of keeping its exchange rate artificially low, which boosts Chinese exports and further exacerbates the trade and finance imbalances. The USA is keen to see an appreciation of the Chinese yuan (also known as the renminbi). The Chinese response is that the USA is asking China to take medicine to cure America’s disease.

So was the meeting in Seoul successful in achieving a global response to trade and exchange rate problems? Has it averted currency and trade wars? Or were national interests preventing a concrete agreement? The articles look at the outcomes of the talks.

Articles
G20 pledge to avoid currency war gets lukewarm reception Guardian, Phillip Inman and Patrick Wintour (12/11/10)
G20 fails to agree on trade and currencies Financial Times, Chris Giles, Alan Beattie and Christian Oliver (12/11/10)
Main points of the G20 Seoul summit document Reuters (12/11/10)
Factbox: Outcome of the Seoul G20 summit Reuters (12/11/10)
No deal: Seoul’s G20 summit fails to deliver on currencies, trade imbalances The Australian, Laurence Norman and Ian Talley, Dow Jones Newswires (12/11/10)
G20 to tackle US-China currency concerns BBC News (12/11/10)
The expectations game BBC News blogs: Stephanomics, Stephanie Flanders (12/11/10)
Obama: Imbalances threaten growth BBC News (12/11/10)
Obama leaves G-20 empty-handed on currency spat msnbc (12/11/10)
The ghost at the feast The Economist, Newsbook blog (12/11/10)
Forget summit failures, look at G20 record Financial Times, Christian Oliver, Chris Giles and Alan Beattie (12/11/10)
Obama warns nations not to rely on exports to US BBC News (13/11/12)
G20 summit distracted by ‘currency wars’ Guardian, Mark Weisbrot (12/11/10)
Current account targets are a way back to the future Financial Times podcasts, Martin Wolf (2/11/10) (Click here for transcript)
Ben Bernanke hits back at Fed critics BBC News (19/11/10)
Why should you care about currency wars? BBC News, Stephanie Flanders (9/11/10)

G20 sites
G20 Korea, home page
Korean G20 site
2010 G-20 Seoul summit Wikipedia

Questions

  1. What are the causes of the large trade imbalances in the world?
  2. What problems arise from large trade imbalances?
  3. What is meant by beggar-my-neighbour policies?
  4. Are moves towards freer trade a zero-sum game? Explain.
  5. Are moves towards protectionism a zero-sum game? Explain.
  6. Are attempts to get a realignment of currencies a zero-sum game? Explain.
  7. How successful has the G20 been over the past two or three years?
  8. Would it be desirable for governments to pursue current account targets?

In 2003, the Office of Fair Trading launched an investigation into possible collusion between tobacco manufacturers and retailers to fix prices. The investigation sought to establish whether the firms had breached the Chapter I prohibition of the Competition Act 1998. Chapter I is concerned with Restrictive Practices.

The allegation was that two tobacco manufacturers, Imperial Tobacco and Gallaher, had colluded with 11 retailers to fix the retail prices and thereby reduce competition. The details of the allegations are given in a 2008 press release.

As a result of its investigations, the OFT has decided to impose fines of £225m. “The OFT has concluded that each manufacturer had a series of individual arrangements with each retailer whereby the retail price of a tobacco brand was linked to that of a competing manufacturer’s brand. These arrangements restricted the ability of these retailers to determine their selling prices independently and breached the Competition Act 1998.” As the Times Online article states:

The OFT said that the companies were guilty of “price-linking” or “price matching”. It said that Imps and Gallaher had come to an arrangement with each retailer that if one or other manufacturer increased or decreased prices the retailer would alter the price of the competitor brand in line, up or down accordingly – a practice known in competition law circles as “vertical price collusion”.

Articles
‘Unlawful’ tobacco pricing leads to £225m fine by OFT BBC News (16/4/10)
OFT levies £225m fine for cigarette price fixing Guardian, Richard Wray (17/4/10)
Tobacco giants face £225m fine for price-fixing Independent, Alistair Dawber
(17/4/10)
OFT case will send smoke signals Financial Times, Michael Peel, Elizabeth Rigby and Pan Kwan Yuk (16/4/10)
Imperial and Morrison set to appeal OFT fine Financial Times, Michael Peel, Pan Kwan Yuk and Elizabeth Rigby (16/4/10)
OFT faces challenge to £225m price-fixing ruling Times Online, Robert Lea (17/4/10)
OFT gets tough on tobacco as price-fixing net is cast wider Independent, Nick Clark (26/4/08)

OFT Press Release
OFT imposes £225m fine against certain tobacco manufacturers and retailers over retail pricing practices OFT Press Release (16/4/10)

Questions

  1. What are the allegations against the tobacco manufacturers and retailers?
  2. Why has the OFT judged that such behaviour is in breach of the 1988 Competition Act, and hence against the public interest?
  3. What are the arguments put by the tobacco companies and retailers in their defence?
  4. Is giving companies an amnesty if they alert the OFT an example of a prisoners’ dilemma game? What credible threats or promises may the companies have in such a situation?

At the end of two weeks of often acrimonious wrangling between representatives from 193 countries, an agreement – of sorts – was reached at the climate change summit in Copenhagen. What was this agreement? It was an ‘accord’ brokered by the USA, China, India, Brazil and South Africa.

This Copenhagen Accord contains three elements. The first is a recognition of the need to prevent global temperatures rising by more than 2 degrees Celsius above pre-industrial levels. The second is a commitment by developed countries to give $30bn of aid between 2010 and 2012 to developing countries for investment in green technology and to mitigate the effects of climate change. In addition, a goal was set of providing $100bn a year by 2020. The third is for rich countries to give pledges on emissions reductions and for developing countries to give pledges on reducing emissions increases. Developed countries’ pledges will be scrutinised by the UN Framework Convention on Climate Change, while developing countries will merely be required to submit reports on their progress in meeting their pledges.

But this is only an accord. It has no legal status and was merely ‘recognised’ by the countries at the conference. What is more, the target of limiting temperature rises to 2C does not contain a date by which temperature rises should peak. Also, as countries are not required to submit targets for emissions until February 2010, it is not clear how these targets will be kept low enough to meet the temperature target and there is no identification of penalites that would apply to countries not meeting their pledges.

Not surprisingly, reactions around the world have been mixed. The following podcasts and articles look at these reactions and at the economic mechanisms that will be required to meet the 2C limit

Podcasts and videos

Recriminations after Copenhagen summit (video) BBC News, David Loyn (21/12/09)
Copenhagen special: Climate change talks end in failure Guardian podcast (19/12/09)
Where do we go after Copenhagen? BBC Today Programme (21/12/09)

Articles

What was agreed and left unfinished in U.N. climate deal Reuters of India Factbox (20/12/09)
Copenhagen deal: Key points BBC News (19/12/09)
Copenhagen deal reaction in quotes BBC News (19/12/09)
Copenhagen climate summit fails green investors BBC News, Damian Kahya (22/12/09)
Why did Copenhagen fail to deliver a climate deal? BBC News (22/12/09)
Copenhagen climate accord: Key issues BBC News (19/12/09)
Harrabin’s Notes: After Copenhagen BBC News, Roger Harrabin (19/12/09)
Copenhagen climate conference: Who is going to save the planet now? Telegraph, Louise Gray (21/12/09)
Copenhagen’s One Real Accomplishment: Getting Some Money Flowing New York Times, James Kanter (20/12/09)
Copenhagen climate summit: plan for EU to police countries’ emissions (including video) Telegraph, James Kirkup, and Louise Gray (19/12/09)
The road from Copenhagen Guardian, Ed Miliband (UK Secretary of State for Energy and Climate Change) (20/12/09)
Carbon Prices Tumble After ‘Modest’ Climate Deal Bloomberg, Mathew Carr and Ewa Krukowska (21/12/09)
Copenhagen deal causes EU carbon price fall BBC News (21/12/09)
Have the hopes of environmentalists been dashed? Financial Times, Clive Cookson (21/12/09)
EU reflects on climate ‘disaster’ Financial Times, Joshua Chaffinin (22/12/09)
China not to blame on climate China Daily, Zhang Jin (23/12/09)
Selling a low-carbon life just got harder Times Online, Jonathon Porritt (21/12/09)
Better than nothing The Economist (19/12/09)
Copenhagen has given us the chance to face climate change with honesty Observer, James Hansen (27/12/09)

Questions

  1. What incentives exist for countries to agree to tough pledges to reduce emissions?
  2. Was the very limited nature of the Copenhagen Accord a Nash equilibrium? Explain.
  3. Is the carbon price a good indicator of the effectiveness of measures to curb emissions?
  4. Must any agreement have verifiable targets for each country of the world if it is to be successful in curbing carbon emissions?
  5. Is a cap-and-trade system the best means of achieving emissions reductions? Explain.

In the run-up to the United Nations climate Change conference in Copenhagen from 7 to 18 December, many countries have been setting out their preliminary positions. The conference aims to set the terms for the agreement that will succeed the Kyoto Protocol in 2012.

Senior scientists, economists and politicians have been warning about the dire necessity of reaching a comprehensive agreement. One such economist is Sir Nicholas Stern. He argues that the EU should impose a unilateral cut in greenhouse gas emissions of 30% from 1990 levels by 2020, irrespective of the any agreement in Copenhagen. The EU has pledged to increase its targeted cut from 20% to 30% only if substantive progress is made at the talks.

Other countries have set out their preliminary positions. China has offered to reduce its carbon intensity by 40% (i.e. the proportion of carbon emissions to GDP); the USA has offered to reduce emissions by 17% by 2020 compared with 2005 levels; and India has offered to reduce its carbon intensity by 24% over the same period.

However, as the Washington Post article below states, “During a weekend meeting, India, along with China, Brazil, South Africa and Sudan, decided it would not agree to legally binding emission cuts, international verification of reductions without foreign funding and technology, and imposition of trade barriers in the name of climate change.”

Meanwhile the news from Australia has come as a blow to those seeking to extend tradable permit schemes around the world. The Australian senate has rejected a bill to set up an Emissions Trading Scheme (ETS), designed to cut Australia’s carbon emissions by up to 25% below 2000 levels by 2020.

Copenhagen climate talks: Main issues Independent (30/11/09)
Factfile on UNFCCC, Kyoto Protocol, Copenhagen talks Independent (30/11/09)
Copenhagen summit: Is there any real chance of averting the climate crisis? Observer, James Hansen (29/11/09)
A heated debate Economist (26/11/09)
Getting warmer Economist (3/12/09)
Is it worth it? Economist (3/12/09)
Good policy, and bad Economist (3/12/09)
The Carbon Economy Economist (3/12/09)
Copenhagen climate summit: 50/50 chance of stopping catastrophe, Lord Stern says Telegraph (1/12/09)
UK Economist: Climate Skeptics are Confused U.S.News, Meera Selva (1/12/09)
Growing Scientific Consensus on Climate Change Ahead of Copenhagen Conference Voice of America, Michael Bowman (1/12/09)
EU ‘should cut emissions by 30%’ BBC News, Roger Harrabin (1/12/09)
Stern says Copenhagen could still save world Environmental Data Interactive Exchange (1/12/09)
Moves by U.S., China induce India to do its bit on climate Washington Post, Rama Lakshmi (2/12/09)
Why do climate deniers hold sway in Australia? Guardian, Fred Pearce (1/12/09)
Australian Senate defeats carbon trading bill Guardian, Toni O’Loughlin (2/12/09)
Failed CPRS ‘may lead to better plan’ Sydney Morning Herald (2/12/09)
Australia carbon laws fail, election possible Reuters, Rob Taylor (2/12/09)
Australian Senate rejects Kevin Rudd’s climate plan BBC News (2/12/09)

The following is the official conference site:
United Nations Climate Change Conference Dec 7–Dec 18 2009

Questions

  1. Why cannot tackling global warming be left totally to the market?
  2. To what extent can the market provide part of the solution to global warming?
  3. How can a cap-and-trade system (i.e. tradable permits) be used to achieve (a) emissions reductions; (b) an efficient way of achieving such reductions?
  4. Why could the atmosphere be described as a ‘global commons’? Does it have either or both of the features of non-excludability and non-rivalry (which are both features of a public good)?
  5. To what extent are climate change talks a prisoner’s dilemma game? How may the Nash equilibrium of no deal, or an unenforceable deal, be avoided?