Chapter 10. Chapter 10

Data Exercises
Chapter 10
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Under Headlines: China Ends Rare-Earth Minerals Export Quotas, the article discusses the elimination of Chinese export quotas on strategically important rare-earth minerals following a Word Trade Organization ruling against China in 2013. The export quotas, which were reduced by 40% in 2010, sharply increased prices on rare-earth minerals and led other countries to look for alternate suppliers. In this question, you will be asked to look at China’s export quotas for rare-earth minerals and world prices for rare-earth minerals.

The source of the data is Statista ( available The Statistics Portal ) and the Institute of Rare Earth Metals (ISE) ( available The Institute of Rare Earth Metals ). To access Statista site data for quotas:

1. Scroll down to the China section and select “China's rare earth element export quotas.” This will open a bar graph depicting China’s export quota for rare-earth minerals from 2005 to 2015.

2. To access the price data on the ISE site, scroll down to the “Rare earth oxides of prices for 2004 to 2010” price data.

Question

a. What was China’s rare-earth mineral export quota (in metric tons) for 2009?

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Correct answer: 50,146 tons. To identify the value of the export quota for 2009, look at the bar graph, find the year 2009, and read the value associated with that year.

Question

b. What was China’s rare-earth mineral export quota (in metric tons) for 2010?

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Correct answer: 30,258 tons. To identify the value of the export quota for 2010, look at the bar graph, find the year 2010, and read the value associated with that year.

Question

c. What was the price of Cerium Oxide 99% (in $/kg) for 2009?

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Correct answer: 4.50 $/kg. To identify the prices for Cerium Oxide 99%, look at the “Rare earth oxides of prices for 2004 to 2010” price chart, find Cerium Oxide, and read the price for the year 2009.

Question

d. What was the price of Cerium Oxide 99% (in $/kg) for 2010?

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Correct answer: 49.00 $/kg. To identify the prices for Cerium Oxide 99%, look at the “Rare earth oxides of prices for 2004 to 2010” price chart, find Cerium oxide, and read the price from the year 2010.
Data Exercises
Chapter 10
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Now you will utilize U.S. Geological Survey data to determine rare-earth mineral production in the United States. The data are available UCGS Minerals Information. To access the data:

1. Under “Mineral commodity summaries,” choose “Rare earths, pdf format” and select the year 2015.

2. This will open a pdf document with rare-earth data for the years 2010–2014.

Question 10.1

To identify the value of U.S. rare-earth mineral production in 2010, look under “Salient statistics—United States.” The first line is “Production”; read across to find the value for 2010.
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Question 10.2

Correct answer: Rising from 3,000 to 5,500 to 7,000. To identify the trend and values of U.S. rare-earth mineral production for the period 2012–2015, look under “Salient statistics—United States.” The first line is “Production”; read across to find the values for the years 2012–2015 and identify the trend from those numerical values.
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Data Exercises
Chapter 10
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Comparing the data from the first question and the second question, choose whether the following statements are correct or incorrect:

Question 10.3

The data show a substantial increase in price from 2009 to 2010, when China’s export quotas were reduced by 40%.
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Question 10.4

The data show that the United States began production of rare-earth minerals in 2012, following the rise in world prices that resulted from China’s reduction in its export quota.
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