Is there a distinction about objectivity and subjectivity about price data?
One must identify the rules men must follow in their thinking if knowledge, rather than error or delusion is their goal. These rules can be condensed into one general principle: thinking, to be valid, must adhere to reality. Or, in the memorable words of the old Dragnet TV series, which can serve as the motto of all reality-oriented thought: “Just give us the facts, ma’am.” But how does one reach “just the facts”? The answer lies in the concept of Objectiveness; it requires that one grasp the full philosophic meaning and implication of this concept. When one grasps this concept, one will have an invaluable tool enabling one to assess and, if necessary, improve the quality of one’s own thinking. The concept of “objective” which applies as a norm to all rational cognition, has its roots in the theory of concepts. “Objectivity” arises because concepts are formed by a specific process and, as a result, bear a specific kind of relationship to reality. The conceptual faculty is an instrument