The International Economic Relations: Quantitative Methods (STEM) MA degree focuses on quantitative methods and econometrics plus international economics and political economy. You’ll build data analysis, geographic information systems, and statistical programming skills needed for a career in global business/finance, government, or nonprofits. International students: MAIER:QM’s STEM designation allows you to apply for a 24-month extension of your Optional Practical Training (OPT) in the US.