Problem set #1 Solution

Problem set #1 Solution - Problem Set 1 Solutions Econ 136,...

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Unformatted text preview: Problem Set 1 Solutions Econ 136, Fall 2009 Grading. This problem set is graded by Xing Huang and Sung Bin Sohn. Xing grades Q1 and Q2, and Sung Bin grades Q3 and Q4 for all students. For both halves of your solution, your get a grade on a 0 to 5 scale. The grade for the problem set is the avarage of these grades. 5= no major or minor errors 4= no more than a few minor errors 3= a major or many minor errors 2= multiple major errors 1= multiple major errors and portions left blank 0= blank or never turned in 1. Internet Exercise: US and Foreign Stock Markets in the Past Five Years (a) To clearly see the di/erence between the linear and log scales, examine the &maxhistor- ical range of the chart of the Dow Jones Industrial Average. Even though the linear scale is easier for most people to construct and interpret, when looking at the max historical range of the Dow, the linear scale obscures the uctuations of the Dow in the rst half of the range. Even though the log scale is harder for most people to construct and interpret, when looking at the max historical range of the Dow, the log scale clearly shows the uctuations of the Dow for the entire historical range. Plus, since a log scale shows a variable that grows at a constant rate as a straight line, the growth rate of the Dow is more easily interpreted when using a log scale. In my opinion, the log scale gives a better picture of the past performance of the Dow because it clearly shows the uctuations in the value of the Dow for any time period in the full range of available data. (b) The symbols for each index are ^GSPC for the SP500 and ^IXIC for the Nasdaq....
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Problem set #1 Solution - Problem Set 1 Solutions Econ 136,...

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