Sunspot txoj kev xav tau tawm tswv yim los ntawm British economist WS Jevons nyob rau hauv 1875. Sunspot txoj kev xav attributes lub volatility ntawm lub economic voj voog rau cyclical hloov nyob rau hauv sunspots.
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Nrhiav
Feb 06, 2022
Sunspot txoj kev xav tau tawm tswv yim los ntawm British economist WS Jevons nyob rau hauv 1875. Sunspot txoj kev xav attributes lub volatility ntawm lub economic voj voog rau cyclical hloov nyob rau hauv sunspots.
Xa kev nug