> For the complete documentation index, see [llms.txt](https://www.designreference.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.designreference.xyz/cognitive-tools/universal/decision-making/law-of-diminishing-returns.md). # Law of Diminishing Returns The Law of Diminishing Returns is a core economic principle stating that when you increase one factor of production (an "input"), while keeping all other inputs fixed, the marginal increase in output will eventually begin to decrease. This law is a fundamental concept in both microeconomics and business management, as it helps businesses make decisions about resource allocation and production levels to maximize efficiency and profit. In simpler terms, adding more of a single resource, like labour, to a fixed resource, like a factory or a piece of land, will initially lead to a significant boost in production. However, after a certain point, each additional unit of that variable input will add progressively less to the total output. #### Key Points * **The "Short Run" Concept**\ This law operates in the short run because it assumes that at least one factor of production (like capital or land) is fixed. In the long run, all factors can be adjusted. * **Marginal vs. Total Product**\ The law doesn't mean that total production will decrease. Instead, it means that the *rate* of increase will slow down. The marginal product (the output from each additional unit of input) declines, but the total product can still be rising. Eventually, if you continue to add more of the variable input, the marginal product can become negative, and total output will begin to fall. * **A Classic Example**\ A common example is a farm. A farmer with one acre of land might get a significant increase in crop yield by adding a second worker. A third worker might also help, but the increase in yield won't be as dramatic. Eventually, adding a tenth worker might be counterproductive, as they get in each other's way and have nothing productive to do on the limited land. #### Further Viewing {% embed url="" %} #### Further Reading {% embed url="" %} --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://www.designreference.xyz/cognitive-tools/universal/decision-making/law-of-diminishing-returns.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.