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.

Contemporary Auditing
11th Edition
ISBN:9781337650380
Author:KNAPP
Publisher:KNAPP
Chapter4: Ethical Responsibilities Of Accountants
Section4.8: Dell Inc.
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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.

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