Occupational Language Invariance
The callback ratio between English-named and foreign-named resumes remained virtually constant at 1.3 to 1.9 across all occupational deciles, showing a 3.4 percentage point callback penalty in low language-requirement jobs like computer programmer/maintenance technician (decile 1, callback ratio 1.4) compared to a 6.7 percentage point penalty in high requirement jobs like executive recruiter/community counselor (decile 10, callback ratio 1.7).