Question

Passage

In 1947, the publication of Paul Samuelson’s *Foundations of Economic Analysis* marked a quiet but seismic shift in the study of economics. For over a century, economics had been primarily a branch of moral philosophy and political economy. Thinkers like Adam Smith, John Stuart Mill, and Karl Marx wrote in prose, using narrative arguments, historical case studies, and philosophical reflections to explore the creation and distribution of wealth. Samuelson’s work, however, proposed a unified mathematical framework for economic behavior, arguing that the core principles of economics could be expressed through systems of differential equations and optimization constraints, much like thermodynamics in physics.

This transition, which historians of economics call the "formalist revolution," fundamentally altered the discipline's methodology. Within a generation, graduate economics departments replaced essays and historical analysis with calculus, linear algebra, and topology. The proponents of this mathematical turn argued that it brought a necessary scientific rigor to a field previously bogged down in ideological debates and imprecise language. By formalizing economic models, scholars could isolate variables, construct hypotheses with mathematical precision, and subject theories to empirical testing using the newly developing field of econometrics. Economics, once derided as the "dismal science," was now positioned as the most rigorous and "hardest" of the social sciences, boasting a level of predictive certainty that other disciplines envied.

However, this formalist revolution did not occur without significant cost. As economics became increasingly abstract, it began to drift away from the messy realities of human behavior and institutional structures. To make their mathematical models solvable, economists had to rely on highly restrictive assumptions. The most famous of these is the concept of *Homo economicus*, or Economic Man: an idealized agent who possesses perfect information, possesses consistent and logical preferences, and acts with infinite rationality to maximize utility. Critics, including institutional economists and behavioral scientists, pointed out that this stylized model bears little resemblance to actual human beings, who routinely act on impulse, suffer from cognitive biases, and operate under severe information constraints.

Moreover, the preoccupation with mathematical elegance has often led to what the Nobel laureate Wassily Leontief described as "theoretical speculation running far ahead of empirical verification." In their quest for internal mathematical consistency, academic economists frequently built complex models that had no clear application to real-world policy problems. The language of economics became inaccessible to the public and policy makers alike, sequestered behind a barrier of advanced calculus. The historical context, sociological factors, and ethical considerations that had once enriched economic discourse were largely discarded as "unscientific." Consequently, the discipline became less equipped to understand systemic crises, such as speculative bubbles or structural inequality, which are driven by psychological and historical dynamics that defy simple mathematical formalization.

This is not to say that mathematization has been entirely detrimental. The quantitative tools developed over the last several decades have enabled economists to analyze vast datasets, evaluate the impact of tax policies, and design complex market systems, such as spectrum auctions. The error lies not in the use of mathematics itself, but in its elevation as the sole legitimate method of inquiry. By prioritizing mathematical virtuosity over empirical relevance and conceptual breadth, modern economics has risked becoming a self-referential exercise. A reclamation of the discipline's historical and philosophical roots, integrated with quantitative analysis, is essential if economics is to retain its relevance in addressing the pressing socio-economic challenges of the twenty-first century.

Which of the following best describes the author's primary purpose in the passage?