Time Series Analysis on the Determinants of Environmental Costs Expenditure Using Text Mining Technique

摘要

This study aims to read from environmental report which corporate management policy and strategy would promote the motivation of corporate behavior, especially the environment-related activities by listed companies. To do that, we analyze the relation between qualitative data and quantitative description using text mining technique. Our study aims to derive the result of more detailed analysis to confirm the change of positiveness factor by analyzing with text mining technique such as corresponding analysis, for environmental report in 2000-2011 in Japan. Time series analysis reveals that as CSR concept is widely disseminated, the focus of massage shifts from pollution aids to more comprehensive activities, which implicitly indicates that the environmental report is currently recognized as a useful tool to effectively communicate a firm's social activities.