Class 7: Capital Chapters 5-9: Absolute Surplus-Value, Valorization, the Working Day, part 2

Class 7: Capital Chapters 5-9: Absolute Surplus-Value, Valorization, the Working Day, part 2

Humanities, Social Sciences & Thought Economics & Finance KCEconomicsKCPPolitical economy
🎙 Paul North 👥 1.8M 📅 March 25, 2026 ⏱ 49 min 👁 5K 📄 lecture 🧭 2026-08-03
Available in: English (current) Français

Keywords

surplus valueconstant capitalvariable capitalexploitationworking day

Summary

In this lecture, Paul North continues a chapter-by-chapter study of Marx’s Capital Volume 1, focusing on chapters 5-9. He explains the shift from the vocabulary of commodities to that of capital, introducing key concepts such as constant and variable capital, and the central role of surplus value. North emphasizes the importance of standpoint in understanding capital, arguing that the capitalist standpoint is conflictual and reveals the clash between labor and capital. He discusses the concept of exploitation, clarifying that from the capitalist perspective it means making full use of purchased labor power, while from the worker’s perspective it is extracting more than what was bargained for. The lecture covers the measurement of labor power’s value, which is the cost of its reproduction, including physical and social subsistence. North highlights that surplus value is non-negotiable in the capitalist system, as it funds the capitalist’s own reproduction and business investments. He distinguishes between the rate and amount of surplus value, noting that the rate is relative to variable capital, but the absolute amount of surplus labor time has the most significant impact on workers’ lives. The working day is identified as the primary lever of capitalist control, historically contested by both workers and capitalists. The lecture concludes by setting up the next topic: the struggle over the length of the working day.

220 words

Critical Evaluation

The lecture provides a rigorous and insightful analysis of Marx’s Capital, demonstrating a deep understanding of the text and its philosophical and economic implications. North’s expertise as a co-editor of a recent critical edition of Capital lends authority to his interpretation. He effectively clarifies complex concepts such as constant and variable capital, surplus value, and exploitation, making them accessible without oversimplifying. The discussion of standpoint is particularly valuable, as it highlights the inherent conflicts within the capitalist system. North’s emphasis on the distinction between the rate and amount of surplus value is a crucial point that is often overlooked, and he explains it with clear examples. The lecture is well-structured, building on previous sessions and preparing for future ones. However, it is a lecture, not a peer-reviewed publication, and thus represents an interpretive reading rather than an original contribution. The reliance on a single theoretical framework (Marxist) may limit its applicability to alternative economic perspectives. Additionally, the lecture assumes prior knowledge of the text, which might be challenging for newcomers. The title accurately reflects the content, and the lecture stays focused on the specified chapters. Overall, the lecture is of high quality, offering valuable insights for students and scholars of political economy.

202 words

Title / Content Match

The title accurately reflects the content, which covers chapters 5-9 of Capital, focusing on absolute surplus-value, valorization, and the working day.

Quality & Reliability

8/10

The lecture is delivered by a Yale professor and co-editor of a recent critical edition of Capital, providing high scholarly authority. The content is based on close reading of Marx's text, with clear explanations and references to specific chapters. However, it is a lecture, not peer-reviewed, and relies on the instructor's interpretation.

Key Moments

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Contribution & Novelties

This lecture offers a detailed and accessible explanation of Marx’s concepts of surplus value and exploitation, emphasizing the importance of standpoint and the distinction between rate and amount of surplus value. It provides a valuable educational resource for understanding Capital.

Pour aller plus loin :

74 words

Radar Profile

The radar profile shows high scores in quality of information, technical level, and reliability, with a slightly lower score in quantity of information due to the focused scope of the lecture. This indicates a well-rounded, authoritative presentation.

Reliability 8/10