For the University of Pittsburgh's Economics PhD program, what are the minimum mathematics requirements for admission? Additionally, what are the primary research areas within the department, and how do PhD students typically engage with the research community?
Navigate to the 'PhD Program Admissions' page to find the minimum mathematics requirements. Navigate to the 'Research' section to identify the primary research areas and how PhD students engage with the research community. Synthesize the gathered information into a concise answer.
State that the minimum mathematics requirements for PhD admission are two semesters of calculus and one semester of linear algebra, noting that most admitted students have more advanced preparation. List the six primary research areas of the department: econometrics, experimental and behavioral economics, labor/development, macroeconomics/international economics, microeconomic theory, and urban/public/history. Explain that PhD students participate in the research community starting in their second year through various opportunities.