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  2. Systems theory in political science - Wikipedia

    en.wikipedia.org/wiki/Systems_theory_in...

    His main model was driven by an organic view of politics, as if it were a living object. His theory is a statement of what makes political systems adapt and survive. He describes politics in a constant flux, thereby rejecting the idea of "equilibrium", so prevalent in some other political theories (see institutionalism ).

  3. Marketing mix modeling - Wikipedia

    en.wikipedia.org/wiki/Marketing_mix_modeling

    Marketing mix modeling (MMM) is an analytical approach that uses historic information to quantify impact of marketing activities on sales. Example information that can be used are syndicated point-of-sale data (aggregated collection of product retail sales activity across a chosen set of parameters, like category of product or geographic market) and companies’ internal data.

  4. David Easton - Wikipedia

    en.wikipedia.org/wiki/David_Easton

    David Easton FRSC (June 24, 1917 – July 19, 2014) was a Canadian-born American political scientist. From 1947 to 1997, he served as a professor of political science at the University of Chicago. From 1947 to 1997, he served as a professor of political science at the University of Chicago.

  5. System identification - Wikipedia

    en.wikipedia.org/wiki/System_identification

    black box model: No prior model is available. Most system identification algorithms are of this type. Most system identification algorithms are of this type. In the context of nonlinear system identification Jin et al. [ 9 ] describe grey-box modeling by assuming a model structure a priori and then estimating the model parameters.

  6. Consumer behaviour - Wikipedia

    en.wikipedia.org/wiki/Consumer_behaviour

    The black box model is related to the black box theory of behaviourism, where the focus extends beyond processes occurring inside the consumer and also includes the relation between the stimuli and the consumer's response. The decision model assumes that purchase decisions do not occur in a vacuum.

  7. Black box - Wikipedia

    en.wikipedia.org/wiki/Black_box

    A developed black box model is a validated model when black-box testing methods [10] ensures that it is, based solely on observable elements. With back testing, out of time data is always used when testing the black box model. Data has to be written down before it is pulled for black box inputs.

  8. Abercrombie and ex-CEO sued over sex trafficking accusations

    www.aol.com/news/abercrombie-ex-ceo-sued-over...

    Former model David Bradberry in the proposed class action filed in Manhattan federal court claims Jeffries, who was CEO from 1992 to 2014, forced models to take drugs and engage in sexual acts ...

  9. Marketing mix - Wikipedia

    en.wikipedia.org/wiki/Marketing_mix

    The prospect of expanding or modifying the marketing mix for services was a core discussion topic at the inaugural AMA Conference dedicated to Services Marketing in the early 1980s, and built on earlier theoretical works pointing to many important problems and limitations of the 4 Ps model. [20]