{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ARJYQY6J4D4EUORXTYVEXKTUEO","short_pith_number":"pith:ARJYQY6J","schema_version":"1.0","canonical_sha256":"04538863c9e0f84a3a379e2a4baa74239d433ec764076ebfab5c8f9a5ae83135","source":{"kind":"arxiv","id":"2605.21009","version":1},"attestation_state":"computed","paper":{"title":"Wartime Controls, Political Connections, and the Pricing of Zaibatsu Rents in Japan, 1930-1943","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.EC","q-fin.PR","q-fin.ST"],"primary_cat":"econ.GN","authors_text":"Akihiko Noda, Keiichi Morimoto, Takenobu Yuki","submitted_at":"2026-05-20T10:45:19Z","abstract_excerpt":"This paper examines how wartime economic controls shaped stock-price formation in Japan from 1930 to 1943. We develop a four-portfolio asset-pricing model in which zaibatsu affiliation affects expected payoffs and the translation of valuations into economic scale through lower financing wedges. We then construct daily capitalization-weighted indices and four benchmark portfolios based on a two-by-two sort by zaibatsu affiliation and military orientation. Using a CAPM-AR(p)-SV event-study framework that allows for serial correlation and stochastic volatility, we show that the model rationalizes"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.21009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-05-20T10:45:19Z","cross_cats_sorted":["q-fin.EC","q-fin.PR","q-fin.ST"],"title_canon_sha256":"4d52fa4d339122cef8d89b44514e27ac5a7ffc9e1b03d6895d9fbd728c2b26bb","abstract_canon_sha256":"b1421350f87db961a67f47f4b907bfa9fa0e89e993ab3836e7378154806be4bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:32.174967Z","signature_b64":"Tmz1DcJIaGGpZ4F4eIDDtz/T+ba7ti1hnY3GOA5OUXBV6uDMi+eRLNQWOpqNDKXhgzUiSPbZQpQuTw6A1ZU+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04538863c9e0f84a3a379e2a4baa74239d433ec764076ebfab5c8f9a5ae83135","last_reissued_at":"2026-05-21T01:05:32.174191Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:32.174191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Wartime Controls, Political Connections, and the Pricing of Zaibatsu Rents in Japan, 1930-1943","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.EC","q-fin.PR","q-fin.ST"],"primary_cat":"econ.GN","authors_text":"Akihiko Noda, Keiichi Morimoto, Takenobu Yuki","submitted_at":"2026-05-20T10:45:19Z","abstract_excerpt":"This paper examines how wartime economic controls shaped stock-price formation in Japan from 1930 to 1943. We develop a four-portfolio asset-pricing model in which zaibatsu affiliation affects expected payoffs and the translation of valuations into economic scale through lower financing wedges. We then construct daily capitalization-weighted indices and four benchmark portfolios based on a two-by-two sort by zaibatsu affiliation and military orientation. Using a CAPM-AR(p)-SV event-study framework that allows for serial correlation and stochastic volatility, we show that the model rationalizes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21009","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.21009/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.21009","created_at":"2026-05-21T01:05:32.174329+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.21009v1","created_at":"2026-05-21T01:05:32.174329+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21009","created_at":"2026-05-21T01:05:32.174329+00:00"},{"alias_kind":"pith_short_12","alias_value":"ARJYQY6J4D4E","created_at":"2026-05-21T01:05:32.174329+00:00"},{"alias_kind":"pith_short_16","alias_value":"ARJYQY6J4D4EUORX","created_at":"2026-05-21T01:05:32.174329+00:00"},{"alias_kind":"pith_short_8","alias_value":"ARJYQY6J","created_at":"2026-05-21T01:05:32.174329+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO","json":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO.json","graph_json":"https://pith.science/api/pith-number/ARJYQY6J4D4EUORXTYVEXKTUEO/graph.json","events_json":"https://pith.science/api/pith-number/ARJYQY6J4D4EUORXTYVEXKTUEO/events.json","paper":"https://pith.science/paper/ARJYQY6J"},"agent_actions":{"view_html":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO","download_json":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO.json","view_paper":"https://pith.science/paper/ARJYQY6J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.21009&json=true","fetch_graph":"https://pith.science/api/pith-number/ARJYQY6J4D4EUORXTYVEXKTUEO/graph.json","fetch_events":"https://pith.science/api/pith-number/ARJYQY6J4D4EUORXTYVEXKTUEO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO/action/storage_attestation","attest_author":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO/action/author_attestation","sign_citation":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO/action/citation_signature","submit_replication":"https://pith.science/pith/ARJYQY6J4D4EUORXTYVEXKTUEO/action/replication_record"}},"created_at":"2026-05-21T01:05:32.174329+00:00","updated_at":"2026-05-21T01:05:32.174329+00:00"}