Did you study Macroeconomics? It's a fairly accepted phenomenon: https://en.wikipedia.org/wiki/Factor_price_equalization https://en.wikipedia.org/wiki/Factor_pr

Did you study Macroeconomics? It's a fairly accepted phenomenon: https://en.wikipedia.org/wiki/Factor_price_equalization https://en.wikipedia.org/wiki/Factor_price_equalization (identified there by https://en.wikipedia.org/wiki/Paul_Samuelson https://en.wikipedia.org/wiki/Paul_Samuelson, about as "mainstream" as it's possible for an economist to be). "Whichever factor receives the lowest price before two countries integrate economically and effectively become one market will therefore tend to become more expensive relative to other factors in the economy, while those with the highest price will tend to become cheaper. An often-cited example of factor price equalization is wages. When two countries enter a free trade agreement, wages for identical jobs in both countries tend to approach each other." It could be argued that this is a good thing if one considers the benefit of bringing third-world people out of abject poverty to outweight the loss of slightly reducing the living standards of first-world semi-skilled labour.