The "ipodnano" index refers to a measure of buying and selling Apple mobile phones or Apple pad.

Medium latte index refers to Starbucks medium latte index. Simply put, these two indexes were put forward by an American economist to discuss American economic data.

The Big Mac index, which was first published in The Economist, can also be replaced by Starbucks latte index, which also marks the global expansion of American coffee.

At present, economists and ordinary people in China are also discussing these two indexes after dinner. So, how do Americans come to the conclusion that the RMB still needs to appreciate? One of the indicators is the Big Mac index or Starbucks medium latte index.

The Big Mac Index, or Big Mac Index, was first put forward by Mark Czwierdzinski in The Economist in September. 1986. Its calculation method is to convert the prices of McDonald's Big Macs around the world into US dollars to compare the differences in purchasing power levels among countries. Assuming that the purchasing power parity theory is established, the Big Mac index can determine whether the exchange rates of national currencies relative to the US dollar are reasonable. One of the important reasons for the establishment of the Big Mac Index is that Big Macs are sold in various countries and regions around the world, and have certain horizontal comparability because of the same production procedures and materials.