noun
cobweb theorem
Economic model explaining cyclical price and quantity fluctuations in markets with production lags, such as agriculture.
農業市場の価格変動は、蜘蛛の巣理論で説明されることがある。
Price fluctuations in agricultural markets are sometimes explained by the cobweb theorem.
Compound of 蜘蛛の巣 (spider's web) and 理論 (theory), a calque of English 'cobweb theorem', referring to the web-like pattern of supply-demand adjustments over time.