Except that such a course in Economics department may last 2-3 years and will include a bunch of courses that each have their own name in the Mathematics department. So "высшая математика" or "вышка" may include (using the above link).... Calculus I, Calculus II (with probability and matrices), Analytical methods in economics, Calculus III, Calculus IV, Discrete Mathematics I, Discrete Mathematics II, Number theory, Differential Equations, Introduction to Probability, and so on.