Law of One Price
Purchasing Power Parity
Long Run PPP
Exchange Rates, CPI, & Inflation
Big Mac Index
100

The same good must sell for the same price in different markets

What is the law of one price?

100

The application of the law of one price across countries for a basket of goods and services

What is purchasing power parity?

100

The rate that equalizes the cost of a market basket of goods between two countries

What is the purchasing power parity exchange rate?

100

The predicted inflation rate in Russia when the exchange rate of the ruble to the yuan was 1₽ / 19¥ one year ago and today it is 1₽ / 20¥, and inflation in China over the past year was 8%

What is 13%?

100

Created by the Economist in the late 1980s

What is the Big Mac index?

200

The price of a single good in country A decreases because the price of the same good in country B is significantly lower

What is weak demand and increased supply?

200

Transportation costs, trade restrictions, costs of non-tradable inputs, perfect information, and other players in the foreign exchange market

What are problems with purchasing power parity?

200

When the spot exchange rate is greater than the purchasing power parity exchange rate

What is an overvalued currency?

200

The predicted change in the exchange rate of Brazilian real to the US dollar if inflation in the US was 11% and inflation was 105% in Brazil

What is increase by 94%, meaning the Brazilian real is depreciating against the US dollar?

200

The slope of the Big Mac index

What is positive?

300

The price of a single good in country A increases because the price of the same good in country B is significantly higher

What is strong demand and decreased supply?

300

Exchange rates are determined by the levels of average prices in different markets

What is implied by purchasing power parity?

or

What is absolute purchasing power parity?

300

When the spot exchange rate is less than the purchasing power parity exchange rate

What is an undervalued currency?

300

The predict change in the exchange rate if the current exchange rate of the euro to the Swiss franc is €1.10/₣1 and a basket of goods in Germany costs €300 and the same basket of goods costs ₣260 in Switzerland

What is 4.90%

300

Country with the most expensive Big Mac

What is Switzerland?

400

Pusgood = Eus$/f$ × Pfgood


What is the mathematical expression of the law of one price?

400

The difference in inflation rates between two countries leads to a change in exchanges rates

What is relative purchasing power parity?

400

Used to make cross-country comparisons

What is GDP per capita?

400

The PPP-adjusted per-capita GDP of Mexico if the current GDP of Mexico is MXN$7.5 trillion, the population of Mexico is 127 million, and the PPP exchange rate is MXN$10 / USD$1

What is $5905.51?

400

General description of countries on the left side of the Big Mac Index graph

What are emerging or developing countries?

500

Tariffs, transportation costs, and trade restrictions

What are frictions?

500

Countries in the top 12 of PPP-adjusted GDP but not in the top 12 of nominal GDP

What are Indonesia and Mexico?

500

The average cost of a Big Mac in the United States

What is about $5?

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