منابع مشابه
Sunspots in the Laboratory
We show that extrinsic or non-fundamental uncertainty influences markets in a controlled environment. This work provides the first direct evidence of sunspot equilibria. These equilibria require a common understanding of the semantics of the sunspot variable, and they appear to be sensitive to the flow of information. Extrinsic uncertainty matters when information flows slowly, as in a call mar...
متن کاملSunspots in a Cash-in-Advance Model: A Quantitative Assessment
Does consideration of sunspot equilibria in the cash-in-advance model help the model match key features in the US macroeconomic data? One can use the cash-in-advance model to generate predictions of macro time series via an equilibrium of the model. However, when restricted to minimum state variable stationary rational expectations equilibria, the model’s predictions do not match the data well....
متن کاملSunspots and Temperatures
Power spectrum analyses of temperature series at New York City (1822-1956), the Netherlands (1735-1944), and central England (1698-1955) show that the only significant energy in these spectrums appears at the annual period of 12 months. No significant energy was found corresponding to any known sunspot periodicity. Correlation coefficients between January and July temperatures for the years of ...
متن کاملMagnetic Structure of Sunspots
In this review we give an overview about the current state-of-knowledge of the magnetic field in sunspots from an observational point of view. We start by offering a brief description of tools that are most commonly employed to infer the magnetic field in the solar atmosphere with emphasis in the photosphere of sunspots. We then address separately the global and local magnetic structure of suns...
متن کاملSunspots, correlation and competition
Correlated equilibria in strategic market games played, simultaneously, by “overlapping generations” of players correspond to sunspot equilibria in the associated, competitive economy. The lower the degree of competition, the larger the range of parameters that allow for effective correlation or endogenous stochastic fluctuations.
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ژورنال
عنوان ژورنال: The Astronomical Journal
سال: 1967
ISSN: 0004-6256
DOI: 10.1086/110346