What would a wall between the US and Mexico mean for jobs and trade? (weforum.org)

What would a wall between the US and Mexico mean for jobs and trade?

The US and Mexico have a very close trading relationship. On both sides of the border, millions of jobs depend on the business ties between the two countries.

https://www.weforum.org/agenda/2017/02/just-what-are-the-economic-ties-between-the-us-and-mexico/