The Methodology Of Positive Economics: Reflecti... 【PC TOP-RATED】
He illustrates this with the example of leaves on a tree. We can predict their density by assuming they position themselves as if they were seeking to maximize sunlight, even though leaves do not have conscious intent or knowledge of physics. 3. The Role of Evidence Friedman outlines two ways to test a hypothesis:
Friedman famously argues that a theory cannot be tested by comparing its assumptions directly with "reality." In fact, truly important and significant hypotheses often have assumptions that are "wildly inaccurate descriptive representations of reality." The Methodology of Positive Economics: Reflecti...
The only "relevant" test is a comparison of its predictions with experience. If the predictions are contradicted, the hypothesis is rejected; if they are not, it is "accepted" for the time being (though never "proven"). 4. Critical Reflections and Legacy He illustrates this with the example of leaves on a tree
The most controversial and central thesis of the essay is that the validity of a theory should be judged solely by its , not by the "realism" of its assumptions. The Role of Evidence Friedman outlines two ways
Since its publication, the methodology has faced significant scrutiny from various schools of thought:
Deals with value judgments and policy goals. Friedman argues that progress in positive economics can actually reduce normative disagreements by clarifying the objective consequences of different policies. 2. The "F-Twist": Prediction over Realism