Sources & attribution
Business League is a study interface built on openly licensed textbooks. All reading material below is used under Creative Commons Attribution 4.0, which permits sharing and adaptation with attribution. We do not claim authorship of the source text.
Principles of Microeconomics 3e
OpenStax, Rice University
Chapter text, figures, key terms, end-of-chapter questions and the official answer key used in the Microeconomics section.
License: Creative Commons Attribution 4.0 International (CC BY 4.0)
View the original bookPrinciples of Macroeconomics 3e
OpenStax, Rice University
Chapter text, figures, key terms, end-of-chapter questions and the official answer key used in the Macroeconomics section.
License: Creative Commons Attribution 4.0 International (CC BY 4.0)
View the original bookBusiness Ethics
OpenStax, Rice University
Chapter text, cases, key terms, assessment questions and answer key used in the Business section.
License: Creative Commons Attribution 4.0 International (CC BY 4.0)
View the original bookCambridge IGCSE and O Level Economics Coursebook (2nd edition)
Susan Grant, Cambridge University Press, 2018
Consulted for the order and grouping of the IGCSE-style unit pathway in Microeconomics and Macroeconomics. All lessons, examples, diagrams and questions here are original adaptations, not endorsed by or affiliated with Cambridge.
License: Copyright — used as a curriculum reference only, no text reproduced
View the original book
How the material is used
- Text and figures are reproduced or adapted from the OpenStax books named above, with attribution on this page as the license requires. Figures and images are Copyright Rice University, OpenStax, used under CC BY-NC-SA 4.0 where the original book applies that licence; per-figure credit lines have been consolidated here instead of repeating on every page.
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