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  2. Elliott wave principle - Wikipedia

    en.wikipedia.org/wiki/Elliott_wave_principle

    The Elliott wave principle, or Elliott wave theory, is a form of technical analysis that helps financial traders analyze market cycles and forecast market trends by identifying extremes in investor psychology and price levels, such as highs and lows, by looking for patterns in prices. Ralph Nelson Elliott (1871–1948), an American accountant ...

  3. Kondratiev wave - Wikipedia

    en.wikipedia.org/wiki/Kondratiev_wave

    45–60. This box: view. talk. edit. In economics, Kondratiev waves (also called supercycles, great surges, long waves, K-waves or the long economic cycle) are hypothesized cycle-like phenomena in the modern world economy. [1] The phenomenon is closely connected with the technology life cycle. [2] It is stated that the period of a wave ranges ...

  4. Grand supercycle - Wikipedia

    en.wikipedia.org/wiki/Grand_supercycle

    The Grand Supercycle is the longest period, or wave, in the growth of a financial market as described by the Elliott wave principle, originally conceived and formulated by Ralph Nelson Elliott. Elliott speculated that a Grand Supercycle advance had started in the United States stock market in 1857 and ran to the year 1928, [1] but acknowledged ...

  5. Lucas islands model - Wikipedia

    en.wikipedia.org/wiki/Lucas_islands_model

    Lucas islands model. The Lucas islands model is an economic model of the link between money supply and price and output changes in a simplified economy using rational expectations. It delivered a new classical explanation of the Phillips curve relationship between unemployment and inflation.

  6. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...

  7. Deflation - Wikipedia

    en.wikipedia.org/wiki/Deflation

    v. t. e. In economics, deflation is a decrease in the general price level of goods and services. [1] Deflation occurs when the inflation rate falls below 0% (a negative inflation rate). Inflation reduces the value of currency over time, but deflation increases it. This allows more goods and services to be bought than before with the same amount ...

  8. Square wave - Wikipedia

    en.wikipedia.org/wiki/Square_wave

    A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum. In an ideal square wave, the transitions between minimum and maximum are instantaneous. The square wave is a special case of a pulse wave which ...

  9. Wavenumber - Wikipedia

    en.wikipedia.org/wiki/Wavenumber

    In the physical sciences, the wavenumber (or wave number), also known as repetency, [1] is the spatial frequency of a wave, measured in cycles per unit distance (ordinary wavenumber) or radians per unit distance (angular wavenumber). [2][3][4] It is analogous to temporal frequency, which is defined as the number of wave cycles per unit time ...