Quantitative a. : Relating to quantity.

Example:
What is the difference between Quantitative Economics and Regular Economics, will it make me more marketable?

Taxonomy
quantitative research, theory, social sciences, quantitative methods, Statistics, phenomena, physical sciences, measurement models, tree-ring, ring width, research, free encyclopedia, widely used, qualitative methods, tablets, search, scientific investigation, relationships.

Defination from the web:
quantitative research is to develop and employ mathematical models, theories and/or hypotheses pertaining to natural phenomena. ... Quantitative research is widely used in both the natural sciences and social sciences, from physics and biology to sociology and journalism. ...