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  2. Opportunity cost - Wikipedia

    en.wikipedia.org/wiki/Opportunity_cost

    In microeconomic theory, the opportunity cost of a choice is the ... the implementation of lockdowns and other limitations to stop the spread of the virus resulted in ...

  3. Problems with economic models - Wikipedia

    en.wikipedia.org/wiki/Problems_with_economic_models

    A good economic theory should be built on sound economic principles tested on many free markets, and proven to be valid. However, empirical facts have been alleged to indicate that the principles of economics hold only under very limited conditions that are rarely met in real life, and there is no scientific testing methodology available to ...

  4. Heckscher–Ohlin model - Wikipedia

    en.wikipedia.org/wiki/Heckscher–Ohlin_model

    New Trade Theory analyses individual enterprises and plants in an international competitive situation. The classical trade theory—i.e., the Heckscher–Ohlin model—has no enterprises in mind. The new trade theory treats enterprises in an industry as identical entities. "New" New Trade Theory (NNTT) gives focus on the diversity of enterprises.

  5. Microeconomics - Wikipedia

    en.wikipedia.org/wiki/Microeconomics

    The opportunity cost of any activity is the value of the next-best alternative thing one may have done instead. Opportunity cost depends only on the value of the next-best alternative. It does not matter whether one has five alternatives or 5,000. Opportunity costs can tell when not to do something as well as when to do something. For example ...

  6. Comparative advantage - Wikipedia

    en.wikipedia.org/wiki/Comparative_advantage

    In 1930 Austrian-American economist Gottfried Haberler detached the doctrine of comparative advantage from Ricardo's labor theory of value and provided a modern opportunity cost formulation. Haberler's reformulation of comparative advantage revolutionized the theory of international trade and laid the conceptual groundwork of modern trade theories.

  7. Real options valuation - Wikipedia

    en.wikipedia.org/wiki/Real_options_valuation

    Real options valuation, also often termed real options analysis, [1] (ROV or ROA) applies option valuation techniques to capital budgeting decisions. [2] A real option itself, is the right—but not the obligation—to undertake certain business initiatives, such as deferring, abandoning, expanding, staging, or contracting a capital investment project. [3]

  8. Managerial economics - Wikipedia

    en.wikipedia.org/wiki/Managerial_economics

    Determining the opportunity cost requires detailing the costs and benefits of each action the business is considering to pursue, and the cost of choosing one activity over another. [20] The decision-maker is then in the position to choose the action with the highest payoff. Theory of Exchange or Price Theory

  9. Theories of taxation - Wikipedia

    en.wikipedia.org/wiki/Theories_of_taxation

    Bowen’s model has more operational significance, since it demonstrates that when social goods are produced under conditions of increasing costs, the opportunity cost of private goods is foregone. For example, if there is one social good and two taxpayers (A and B), their demand for social goods is represented by a and b; therefore, a+b is the ...