title: A question of supply and demand.
authors.forename: Michael
authors.initials: M
authors.lastname: Alvarez
mesh_terms: D004500:Education, Graduate; D004651:Employment / Q000191:economics / Q000706:statistics & numerical data*; D018803:Models, Economic; D012108:Research Personnel / Q000191:economics / Q000193:education* / Q000706:statistics & numerical data*