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  2. Waves of economic development - Wikipedia

    en.wikipedia.org/wiki/Waves_of_Economic_Development

    The fifth-wave of economic development began in the 1990s with a two-fold interest in providing market solutions and regional strategies for development. The idea of a comparative advantage has been integral to the development of the fifth-wave. This wave has been marked by economic developers who work to emphasize unmet demand, function as a ...

  3. Smihula waves - Wikipedia

    en.wikipedia.org/wiki/Smihula_waves

    In Smihula theory technological revolutions are the main engine of economic development, and hence long-term economic cycles are dependent on these waves of technological innovation. [7] Smihula identified during the modern age in society six waves of technological innovations begun by technological revolutions (one of them is a hypothetical ...

  4. Wave model - Wikipedia

    en.wikipedia.org/wiki/Wave_model

    In historical linguistics, the wave model or wave theory (German: Wellentheorie) is a model of language change in which a new language feature (innovation) or a new combination of language features spreads from its region of origin, being adopted by a gradually expanding cluster of dialects.

  5. Johannes Schmidt (linguist) - Wikipedia

    en.wikipedia.org/wiki/Johannes_Schmidt_(linguist)

    In Bonn he published the work Die Verwandtschaftsverhältnisse der indogermanischen Sprachen ('The Relationships of the Indo-Germanic Languages', 1872), which presented his Wellentheorie ('wave theory'). According to this theory, new features of a language spread from a central area in continuously weakening concentric circles, similar to the ...

  6. Kondratiev wave - Wikipedia

    en.wikipedia.org/wiki/Kondratiev_wave

    Long wave theory is not accepted by many academic economists. However, it is important for innovation-based, development and evolutionary economics . Yet, among economists who accept it, there has been no formal universal agreement about the standards that should be used universally to place the start and end years for each wave.

  7. Early childhood development - Wikipedia

    en.wikipedia.org/wiki/Early_Childhood_Development

    Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age.

  8. Stages of development - Wikipedia

    en.wikipedia.org/wiki/Stages_of_development

    Loevinger's stages of ego development, 'conceptualize a theory of ego development that was based on Erikson's psychosocial model', as well as on the works of Harry Stack Sullivan, and in which 'the ego was theorized to mature and evolve through stages across the lifespan as a result of a dynamic interaction between the inner self and the outer ...

  9. Development theory - Wikipedia

    en.wikipedia.org/wiki/Development_theory

    Human development theory is a theory which uses ideas from different origins, such as ecology, sustainable development, feminism and welfare economics. It wants to avoid normative politics and is focused on how social capital and instructional capital can be deployed to optimize the overall value of human capital in an economy.