2024-03-28T23:40:09Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/305142019-04-25T01:09:19Zhdl_2115_30438hdl_2115_5303hdl_2115_123High-Tech PollutionYOSHIDA, Fumikazuopen access330FACULTY OF ECONOMICS Hokkaido University1994engdepartmental bulletin paperVoRhttp://hdl.handle.net/2115/305140916-4650AA10772967ECONOMIC JOURNAL OF HOKKAIDO UNIVERSITY2373138https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/30514/1/23_P73-138.pdfapplication/pdf4.3 MB1994