A national homebuilder developing a new home community needs to hire framers, plumbers, painters, electricians, and other construction workers. There are plenty of qualified, unionized, nonimmigrant job applicants, but the builder chooses to hire mostly Mexican immigrants in order to cut costs. According to sociologist Edna Bonacich, this choice reflects the existence of

Split labor market

Explanation:

The split labour market gives an explanation to the racial discrimination that exist in the labour market. It is where a group of people would receive less salary of face exclusion based on their race or gender, etnicity, etc

It is a form of labour market segmentation and it was proposed by Edna Bonacich.

From what we see here we can see the builder exclude people who are qualified and we can also see other discriminations where he chooses Mexicans because he wants to pay them less.

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