As a result of the COVID-19 crisis there was a global move to home working, and increased reliance on video conference facilities such as those offered by Zoom Video Communications. At the same time there was a sudden increase in trading volumes for Zoom Technology shares. The latter is a company that sells electronic technology for mobile phones. It was soon established that this was a clear case of mistaken identity. Please propose and explain a test for establishing whether the markets are efficient in this case.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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As a result of the COVID-19 crisis there was a global move to home working, and
increased reliance on video conference facilities such as those offered by Zoom Video
Communications. At the same time there was a sudden increase in trading volumes for
Zoom Technology shares. The latter is a company that sells electronic technology for
mobile phones. It was soon established that this was a clear case of mistaken identity.
Please propose and explain a test for establishing whether the markets are efficient in
this case.
Transcribed Image Text:As a result of the COVID-19 crisis there was a global move to home working, and increased reliance on video conference facilities such as those offered by Zoom Video Communications. At the same time there was a sudden increase in trading volumes for Zoom Technology shares. The latter is a company that sells electronic technology for mobile phones. It was soon established that this was a clear case of mistaken identity. Please propose and explain a test for establishing whether the markets are efficient in this case.
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