Question

Why have average wages not increased substantially in the last 20 years?

Answer 1

Answer:Competition from foreign companies has decreased demand for low-skilled workers.

Explanation: grad point

Answer 2

the reason why average wages did not increased substantially in the last 20 years is : competition from foreign companies has decreased for low skilled workers
many of the companies opted to transfer the low-skilled job to the countries with cheaper labor costs such as the countries in south america and south asia