This paper analyzes the real incidents of management failure or operation-stop of agricultural waste plastics disposal processors and fully elucidates the reasons in such cases, considering the influence of regulations and competition. The processors who continue agricultural waste plastic processing in the mid- and long-term play a core role in the processing itself, as well as diversifying the kind of industrial waste processing that is undertaken. On the other hand, there are many cases where processors enter the market without fully understanding the specialty of agricultural waste plastic market and then leave after a short period. Although the industry used to be characterized by asymmetric information distribution, information in case of Japanese agricultural waste plastics processing is dispersed evenly to processors. Thus, the reasons for management failure or operation-stop are varied. For semi-public joint companies, the impact of reduced subsidies was substantial. In case of private companies, failure resulted from decreases in the total discharged volume with material conversion from vinyl chloride to polyolefin or due to over-investment based on excessive collection expectation. In some cases, sudden reduction in foreign market or weak sales capability caused operation-stops as well. In somce cases, law violations accompanying the operation-stop occurred. The processing of agricultural waste plastics is a shallow business which tends to face failure because it is, on the whole, carried by the traders with small capital reserves.
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