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  2. List of unsolved problems in economics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    "Thirteen critical points in contemporary economic theory". Journal of Economic Literature. 10 (4): 1163– 1189. JSTOR 2721542. Alessandro Innocenti (1995). "Oskar Morgenstern and the Heterodox Potentialities of the Application of Game Theory to Economics". Journal of the History of Economic Thought. 17 (2): 205– 227. doi:10.1017 ...

  3. Millennium Prize Problems - Wikipedia

    en.wikipedia.org/wiki/Millennium_Prize_Problems

    The question is whether or not, for all problems for which an algorithm can verify a given solution quickly (that is, in polynomial time), an algorithm can also find that solution quickly. Since the former describes the class of problems termed NP, while the latter describes P, the question is equivalent to asking whether all problems in NP are ...

  4. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  5. 10 Hard Math Problems That Even the Smartest People in the ...

    www.aol.com/lifestyle/10-hard-math-problems-even...

    Even numbers are always 0, 2, or 4 more than a multiple of 6, while odd numbers are always 1, 3, or 5 more than a multiple of 6. Well, one of those three possibilities for odd numbers causes an issue.

  6. Mathematical economics - Wikipedia

    en.wikipedia.org/wiki/Mathematical_economics

    Mathematical economics is the application of mathematical methods to represent theories and analyze problems in economics.Often, these applied methods are beyond simple geometry, and may include differential and integral calculus, difference and differential equations, matrix algebra, mathematical programming, or other computational methods.

  7. Feldstein–Horioka puzzle - Wikipedia

    en.wikipedia.org/wiki/Feldstein–Horioka_puzzle

    Economists Claudio Borio and Piti Disyatat of the Bank for International Settlements have argued that the Feldstein–Horioka puzzle arises due to mainstream economic modeling approaches which equate saving in real terms with financing in money terms. Using a framework in which the saving–investment nexus is distinct from money financing ...

  8. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    [6] [7] [8] Quizlet's blog, written mostly by Andrew in the earlier days of the company, claims it had reached 50,000 registered users in 252 days online. [9] In the following two years, Quizlet reached its 1,000,000th registered user. [10] Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11]

  9. 4 Pics 1 Word Cheats- Answering Difficult Puzzles - AOL

    www.aol.com/news/2013-02-20-4-pics-1-word-cheats...

    Warning: This article contains spoilers. 4 Pics 1 Word continues to delight and frustrate us. Occasionally, we'll rattle off four to five puzzles with little effort before getting stuck for ...