What are common reasons that governments enact export restrictions? What are the possible negative consequences of such restrictions?

Double spaced, 12 point font. One source should be from text book: International Business – Environments & Operations, by John D. Daniels, Lee H Radebaugh, & Daniel P. Sullivan, 2018 Pearson. ISBN. 13:978-0-134-20005-7

I do not have the book.

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