Toshiya Jitsuzumi

broadband net neutrality japan network neutrality internet zero-rating fcc mobile broadband competition netflix sk broadband ai fixed broadband qos qos、japan paid peering platform internet governance ott best effort korea online platform muni wi-fi iot cryptocurrency bitcoin ecosystem universal service fair contribution splinternet ai governance trustworthy ai incentive 00000japan earthquake open internet traffic congestion speed measurement regulation spnp internet fragmentation gafa zero-price rule two-sided market externality regulations ネット中立性 municipal wi-fi 公衆無線lan fukuoka city wi-fi ネットワーク中立性　zero-rating digital marketing natural disaster wearable devices mic wi-fi mobile internet verizon switching cost policy telecommunication decoupling national security economic security cyberbalkanization gpt generative ai responsible ai innovation ai rule transit traffic explosion internet video spectrum auction latency net video ott business attention economy filter bubble echo chamber information health broadband label singapore ethical ai ukraine platform regulation digital garden city e-japan ii e-japan positive externality content and application bundling mobile carrier ftth model analysis berec eu ネットワーク中立性 governance trust immaa internet tv covid-19 online video broadcast digital citizenship education line content moderation bell doctrine baxter's law oecd gpai ookla speedtest crowd light-touch approach business model co-regulation self-regulation unfair trading practices misinformation オンライン・プラットフォーム the paris call コンテンツ規制 sns blocking multi agent simulation dfft information bank personal data store data transaction jftc network effect zero rating cyber luddism ipa dx ip-video iptv internalizing complementary efficiencies tourism education ict internet freedom order ajit pai nprm title 2 order 観光 防災 linknyc kawasaki wi-fi 連邦通信委員会 米国通信法 kumamoto post-disaster fiber wholesale mvno itdart 大規模災害 熊本地震 セキュリティ　経済学　コストベネ 公衆無線lan セキュリティ industrial internet industrie4.0 smart society big data web marketing boradband internet.org isp sommelier qoe 公衆無線lan　実効速度　川崎市　 lte apple watch reclassification free wi-fi municipal government public wi-fi bcp traffic management jitsuzumi seminar jitsuzumi laboratory voice wtp cloud wearable computers fairness efficiency voip comcast quality of experience quality of service multistakeholder open data economic impact fukuoka city government telephone 九州大学経済学部　ゼミ　 economics e-commerce personal information measurement quality management