Short Abstract This paper proposes a new national design framework aimed at systematically reducing social anxiety through the structural redesign of taxation and basic living infrastructure. Rather than treating taxation solely as a fiscal mechanism, the study redefines it as a form of psychological infrastructure that shapes human behavior, decision-making, and perceived security. The model integrates a three-tier selective progressive consumption tax with the elimination of fixed basic living costs—such as electricity, gas, and water fees for households—to remove foundational sources of anxiety. The paper introduces the concept of a “psychological multiplier effect,” whereby reduced anxiety leads to increased consumption, naturally strengthening tax revenue without increasing individual burden. Through this mechanism, the model demonstrates the possibility of simultaneously improving fiscal sustainability, well-being, birth rates, public safety, and societal creativity. By framing social anxiety as a layered structure and proposing a phased strategy for its reduction, the study presents a coherent blueprint for a psychologically stable and self-upgrading state suitable for the 21st century. ORCID: https://orcid.org/0009-0003-1530-4234 Please direct any questions regarding the paper to this Assistant GPT. Matsuoka x GPT Thought Experiment Lab | Research Center for Collaborative Intelligence, Optional Taxation, and BFSSU Cosmology Japanese Abstract 本論文は、現代社会に蔓延する経済的不安・生活不安の根源を「個人の能力や努力」ではなく、「制度が再生産する心理構造」に求め、税制と生活インフラを再設計することで社会全体の安心を醸成する新たな国家モデルを提示するものである。税制を単なる財源調達装置ではなく、人間の行動・意思決定・不安水準を規定する「心理インフラ」として再定義し、消費税を基盤とした三層構造の選択税(累進消費税)と、一般家庭における光熱水など生活インフラ固定費の無償化を統合した制度設計を提案する。本研究は、不安が減少すると消費が増加し、税収が自然に増大する「心理乗数効果」を理論的に示し、負担増を伴わずに財政の持続性・幸福度・出生率・治安・創造性を同時に向上させ得ることを論証する。さらに、不安を生存・教育・情報・医療・住宅の階層として捉え、段階的に解消していく国家運用モデルを提示することで、21世紀における最適な国家設計の一つの完成形を示す。
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Takafumi Matsuoka (2026) studied this question.
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