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  2. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    The rule number (e.g., 72) is divided by the interest percentage per period (usually years) to obtain the approximate number of periods required for doubling. Although scientific calculators and spreadsheet programs have functions to find the accurate doubling time, the rules are useful for mental calculations and when only a basic calculator ...

  3. Rule of 78s - Wikipedia

    en.wikipedia.org/wiki/Rule_of_78s

    A simple fraction (as with 12/78) consists of a numerator (the top number, 12 in the example) and a denominator (the bottom number, 78 in the example). The denominator of a Rule of 78s loan is the sum of the integers between 1 and n, inclusive, where n is the number of payments.

  4. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...

  5. Project-based learning - Wikipedia

    en.wikipedia.org/wiki/Project-based_learning

    Groups of students undertaking project-based learning. Project-based learning is a teaching method that involves a dynamic classroom approach in which it is believed that students acquire a deeper knowledge through active exploration of real-world challenges and problems. [1]

  6. Philosophy of science - Wikipedia

    en.wikipedia.org/wiki/Philosophy_of_science

    Philosophy of science is the branch of philosophy concerned with the foundations, methods, and implications of science.Amongst its central questions are the difference between science and non-science, the reliability of scientific theories, and the ultimate purpose and meaning of science as a human endeavour.

  7. Friedrich Hayek - Wikipedia

    en.wikipedia.org/wiki/Friedrich_Hayek

    Friedrich August von Hayek CH FBA (/ ˈ h aɪ ə k / HY-ək, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst fɔn ˈhaɪɛk] ⓘ; 8 May 1899 – 23 March 1992), often referred to by his initials F. A. Hayek, was an Austrian-born British academic who contributed to political economy, political philosophy and intellectual history.

  8. Keynesian economics - Wikipedia

    en.wikipedia.org/wiki/Keynesian_economics

    As a consequence of the identity of saving with investment (Chapter 6) together with the equilibrium assumption that these quantities are equal to their demands. In agreement with the substance of the classical theory of the investment funds market, whose conclusion he considers the classics to have misinterpreted through circular reasoning ...

  9. The Logic of Collective Action - Wikipedia

    en.wikipedia.org/wiki/The_Logic_of_Collective_Action

    The Logic of Collective Action: Public Goods and the Theory of Groups is a book by Mancur Olson Jr. published in 1965. It develops a theory of political science and economics of concentrated benefits versus diffuse costs.