Reyna attended university in the United States and earned a PhD in pharmacology. She liked her American friends and her life in the United States. She also enjoyed shopping for clothes that were less available and much more expensive in her native country. Upon graduation, she decided to take a position in the United States with a large pharmaceutical company. Her native country’s loss of knowledge through her excellent education and training is described as

brain drain

Explanation:

Brain drain occurs when innovators, creative thinkers, doctors, lawyers, business owners, and other leave their home country ti work in other countries that provide more incentive

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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