If one wants more equations one might take a look at https://unequalexchange.org/wp-content/uploads/2023/05/The-Unequal-Exchange-A-summary.pdf https://unequalex

If one wants more equations one might take a look at https://unequalexchange.org/wp-content/uploads/2023/05/The-Unequal-Exchange-A-summary.pdf https://unequalexchange.org/wp-content/uploads/2023/05/The-U... (PDF), Arghiri Emmanuel summarising some of his writings on unequal exchange.