In these crises a great part not only of the existing products , but also of the previously created productive forces , are periodically destroyed 在商業危機期間,總是不僅有很大一部分制成的產品被毀滅掉,而且有很大一部分已經造成的生產力被毀滅掉。
The " thrilling bound " theory of marx is the start - point of the research . then the exchanging theory including value theory , competing theory , commercial crisis theory and currency theory , the price theory and economy crisis theory of his point out the direction of the research and provide the basis 馬克思“驚險一躍”理論是營銷失敗提出的出發點,馬克思的流通理論(包括交換價值理論、競爭理論、商業危機理論、貨幣安全理論) 、馬克思的價格理論、馬克思經濟危機理論為營銷失敗的研究指出了方向,提供了依據。