Big Mac Index
The Big Mac Index is published by The Economist as an informal way of measuring the purchasing power parity (PPP) between two currencies and provides a test of the extent to which market exchange rates result in goods costing the same in different countries. It "seeks to make exchange-rate theory a bit more digestible".
In 2018, McDonald's, to celebrate the 50th anniversary of Big Mac, issued a currency named MacCoin. Each MacCoin was redeemable for one free Big Mac and could not be turned into cash. MacCoin was redeemable in more than 50 countries but only until the end of 2018.
The Big Mac index was introduced in The Economist in September 1986 by Pam Woodall as a semi-humorous illustration of PPP and has been published by that paper annually since then. The index also gave rise to the word burgernomics.
One suggested method of predicting exchange rate movements is that the rate between two currencies should naturally adjust so that a sample basket of goods and services should cost the same in both currencies. In the Big Mac Index, the basket in question is a single Big Mac burger as sold by the McDonald's fast food restaurant chain. The Big Mac was chosen because it is available to a common specification in many countries around the world as local McDonald's franchisees at least in theory have significant responsibility for negotiating input prices. For these reasons, the index enables a comparison between many countries' currencies.
The Big Mac PPP exchange rate between two countries is obtained by dividing the price of a Big Mac in one country (in its currency) by the price of a Big Mac in another country (in its currency). This value is then compared with the actual exchange rate; if it is lower, then the first currency is under-valued (according to PPP theory) compared with the second, and conversely, if it is higher, then the first currency is over-valued.
For example, using figures in July 2008:
- the price of a Big Mac was $3.57 in the United States (varies by store)
- the price of a Big Mac was £2.29 in the United Kingdom (varies by region)
- the implied purchasing power parity was $1.56 to £1, that is $3.57/£2.29 = 1.56
- this compares with an actual exchange rate of $2.00 to £1 at the time
- (2.00-1.56)/1.56 = 28%
- the pound was thus overvalued against the dollar by 28%
The Eurozone is mixed, as prices differ widely in the EU area. As of April 2009, the Big Mac is trading in Germany at €2.99, which translates into US$3.96, which would imply that the euro is slightly trading above the PPP, with the difference being 10.9%.
In 2007, an Australian bank tried a variation the Big Mac index, being an "iPod index": since the iPod is manufactured at a single place, the value of iPods should be more consistent globally. However, this theory can be criticised for ignoring shipping costs, which will vary depending on how far the product is delivered from its "single place" of manufacture in China.
Gold-Mac-Index: The value of the purchasing power for 1 g of gold (Gold.de: calculation of the gold price average of the corresponding year), how many burgers one got for 1 g gold.
A Swiss bank has expanded the idea of the Big Mac index to include the amount of time that an average local worker in a given country must work to earn enough to buy a Big Mac.
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While economists widely cite the Big Mac index as a reasonable real-world measurement of purchasing power parity, the burger methodology has some limitations. In many countries, eating at international fast-food chain restaurants such as McDonald's is relatively expensive in comparison to eating at a local restaurant, and the demand for Big Macs is not as large in countries such as India as in the United States. Social status of eating at fast food restaurants such as McDonald's in a local market, what proportion of sales might be to expatriates, local taxes, levels of competition, and import duties on selected items may not be representative of the country's economy as a whole.
In addition, there is no theoretical reason why non-tradable goods and services such as property costs should be equal in different countries: this is the theoretical reason for PPPs being different from market exchange rates over time. The relative cost of high-margin products, such as essential pharmaceutical products, or cellular telephony might compare local capacity and willingness to pay, as much as relative currency values.
Nevertheless, McDonald's is also using different commercial strategies which can result in huge differences for a product. Overall, the price of a Big Mac will be a reflection of its local production and delivery cost, the cost of advertising (considerable in some areas), and most importantly what the local market will bear — quite different from country to country, and not all a reflection of relative currency values.
In some markets, a high-volume and low-margin approach makes most sense to maximize profit, while in others a higher margin will generate more profit. Thus the relative prices reflect more than currency values. For example, a hamburger costs only €1 in France, and €1.50 in Belgium, but overall, McDonald's restaurants are cheaper in Belgium. Prices of Big Macs can also vary greatly between different areas within a country. For example, a Big Mac sold in New York City will be more expensive than one sold at a McDonald's located in a rural area.
One other example is that Russia has one of the cheapest Big Macs, even though Moscow is usually near the top on lists of costs for visiting business people. Standard food ingredients are cheap in Russia, while restaurants suitable for business dinners with English speaking staff are expensive.
Another limitation of the Big Mac Index is the geographical coverage. This is due to the presence of the McDonald's franchise. For example, in Africa McDonald's is only present in Morocco, Egypt and South Africa. There has been a similar index created solely for Africa called the KFC Index. As the name suggests, instead of using a Big Mac, this index uses KFC´s Original 12/15 pc. bucket to compile its data.
Critics of the presidency of Cristina Fernández de Kirchner in Argentina and many economists believe that the government has for years falsified consumer price data to understate the country's true inflation rate. The Economist stated in January 2011 that Big Mac index "does support claims that Argentina’s government is cooking the books. The gap between its average annual rate of burger inflation (19%) and its official rate (10%) is far bigger than in any other country." That year the press began reporting on unusual behavior by the more than 200 Argentinean McDonald's restaurants. They no longer prominently advertised Big Macs for sale and the sandwich, both individually and as part of value meals, was being sold for an unusually low price compared to other items. Guillermo Moreno, Secretary of Commerce in the Kirchner government, reportedly forced McDonald's to sell the Big Mac at an artificially low price to manipulate the country's performance on the Big Mac index. In June 2012, the price of the Big Mac value meal suddenly rose by 26%, closer to that of other meals, after The Economist, The New York Times, and other media reported on the unusual pricing. A Buenos Aires newspaper stated "Moreno loses the battle".
The Big Mac (and virtually all sandwiches) vary from country to country with differing nutritional values, weights and even nominal size differences.
Not all Big Mac burgers offered by the chain are exclusively beef. In India — which is a predominantly Hindu country — beef burgers are not available at any McDonald's outlets. The Chicken Maharaja Mac serves as a substitute for the Big Mac.
There is a lot of variance with the exclusively beef "Big Mac": the Australian version of the Big Mac has 22% fewer Calories than the Canadian version, and is 8% lighter than the version sold in Mexico.
On 1 November 2009, all three of the McDonald's in Iceland closed, primarily due to the chain's high cost of importing most of the chain's meat and vegetables, by McDonald's demands and standards, from the Eurozone. At the time, a Big Mac in Iceland cost 650 krona ($5.29), and the 20% price increase that would have been needed to stay in business would have increased that cost to 780 krona ($6.36). Fish, lamb and beef are produced in Iceland, while beef is often imported (but also exported).
Six most expensive (July 18, 2018) This statistic shows the most expensive places to buy a Big Mac
- Switzerland – $6.57 (6.50 CHF)
- Sweden – $5.83 (51.00 SEK)
- United States – $5.51 (5.51 USD)
- Norway – $5.22 (42 NOK)
- Canada – $5.08 (6.65 CAD)
- Euro area – $4.75 (4.56 EUR)
Six cheapest (July 18, 2018) This statistic shows the least expensive places to buy a Big Mac 
- Egypt – $1.75 (31.37 EGP)
- Ukraine – $1.91 (50 UAH)
- Russia – $2.09 (130 RUB)
- Malaysia – $2.10 (8.45 MYR)
- Indonesia – $2.19 (31,500 IDR)
- Taiwan – $2.27 (69 TWD)
Six fastest earned (July 2015) This statistic shows the average working time required to buy one Big Mac in selected cities around the world in 2015.
- Hong Kong - 8.6 min
- Luxembourg - 10.3 min
- Japan, Tokyo - 10.4 min
- Switzerland, Zurich - 10.6 min
- United States, Miami - 10.7 min
- Switzerland, Geneva - 10.8 min
Six slowest earned (July 2015) This statistic shows the average working time required to buy one Big Mac in selected cities around the world in 2015.
- Kenya, Nairobi - 172.6 min
- Philippines, Manila - 87.5 min
- Mexico, Mexico City - 78.4 min
- Indonesia, Jakarta - 66.7 min
- Egypt, Cairo - 62.5 min
- Ukraine, Kiev - 54.7 min
- KFC Index
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- Christmas Price Index
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- List of unusual units of measurement
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- Banana equivalent dose
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- SvD: IKEA-Billy utmanar Big Mac 
- The Local: Billy bookshelf does battle with Big Mac Index
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- IKEA Billy Bookshelf Index Shows Lowest Price in U.A.E. (Table) Archived 10 October 2015 at the Wayback Machine.
- "Big Mac Index? Hier kommt der Gold Mac Index: Der GMI von Gold.de". Gold.de (in German). Retrieved 2017-08-15.
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- Chai Latte: Origin, economic implications and global index
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- Sanguinetti, Andrew (8 June 2012). "Moreno pierde la batalla: el Big Mac sale del freezer y aumenta 26% su precio". El Cronista (in Spanish). Buenos Aires, Argentina. Retrieved 15 June 2012.
- "Big Mac? Not really, as Australian version of burger downsized". The Advertiser (Adelaide). 13 June 2009. Retrieved 3 November 2016.
- Iceland Says Bye to the Big Mac, CBS News, 26 October 2009
- McDonalds leaves Iceland. Golden arch removed from Reykjavik restaurant. - YouTube
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- The Big Mac Index index page — contains Big Mac Index data dating back to 1997 (Economist.com subscription required for detail)
- Big Mac versus iTunes Aplia
- Big Mac Index in text format for analysis
- Global Investor Article on Big Mac Index – Discusses origins & significance to international investors – 9 February 2007
- "Prices and Earnings: A Comparison of Purchasing Power Around the Globe -2009," UBS AG, Wealth Management Research Good report on purchasing power containing a Big Mac index (in minutes) as well as for staples such as bread and rice for 71 world cities.
- UBS Prices and Earnings Report 2006: Dublin is 8th most expensive city but 3rd highest for net earnings Very thorough article on the time-based Big Mac index.
- The Big Mac Index Converter - Currency conversion calculator that uses the Big Mac Index.