The key point is that immigration is not economically beneficial overall, it's not even neutral or slightly positive which would be already terrible but it has a negative impact. Of course the left critized it and ran around in circles waving their hands in the air but that already tells you everything you need to know about the conclusion and that it's not an economical issue but political. The left doesn't care about economy, it just wants more poor to sell their crap, and what better than some mass of unqualified idiots to build their electoral base.
The study even came up in it with a formula when it comes the salaries:
Basically +1% of people from immigrant background, lowers the salaries by 0.5-0.8% of the non immigrants.
Also net contributions natives/immigrants
https://i.postimg.cc/8P5YMxVf/Capturegraph1.png
They contribute almost half as much as natives in taxes revenue and the general budget.
It shouldn't come as a surprise anyway, imagining that just transporting people from one set of coordinates on a map to another will magically transform them into more productive assets when they come from failed civilizations, is incredibly irrational.
Other studies and economists have varying estimates but nowadays all agree its impact is negative from 20 to 80 Billions a year depending how much parameters you put in the equation. To give a sense of scale, ironically the retirement's reform that is passed right now pusing the retirement to 64y is supposed to save between 10-15 Billions, so without the cost of immigration, they wouldn't even have to reform it in order to balance the upcoming budget of pensions.
Of course you can't directly lower the minimum wage but you can choose to index it more strongly on the inflation for example and many other undirect mechanisms. Or simply keep many types of jobs at the minimum wage that shouldn't be by creating this bias of demand, even with millions of unemployed and unoccupied jobs in different fields.
Some businesses in services or construction for example, really love immigration, the dirtier, more unqualified and illegal, the better, so they can exploit them and take new ones once they are regularized or start to make demands, which in turns prevents natives to do these underpaid jobs, creating this vicious circle. In Paris most of the restaurants worker in the back are Africans nowadays, Uber is delivered to your door by +95% MENA and Africans, etc..yes for those immigration is an amazing ressource. Nobody else need or want them. Yet half of the youth in ethnic neighbourhoods is unemployed because they are not recent anymore but these places are packing densly altogether second or even third generations of immigration. Im sure it's the same in other countries with high rate of immigration, maye they might just trail back 10 years or so compared to France when it comes to the extent of its negative impact. There are governements willing to publicly release their financial studies or not, like Denmark as well, since apparently they are done with all this and start deporting them back. It's been done in France with Italians in the past by the way. Out of the Millions who immigrated last century, more than half were sent back once they completed their jobs or became unemployed.
