{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:6ACCJCH7XZI73P6TPEVE3MZWGF","short_pith_number":"pith:6ACCJCH7","schema_version":"1.0","canonical_sha256":"f0042488ffbe51fdbfd3792a4db3363143dc9c40f83cd2032b03e0fdf9bfc01c","source":{"kind":"arxiv","id":"1401.1639","version":1},"attestation_state":"computed","paper":{"title":"Optimal consumption and portfolio choice with ambiguity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.RM"],"primary_cat":"q-fin.PM","authors_text":"Frank Riedel, Qian Lin","submitted_at":"2014-01-08T10:04:00Z","abstract_excerpt":"We consider optimal consumption and portfolio choice in the presence of Knightian uncertainty in continuous-time. We embed the problem into the new framework of stochastic calculus for such settings, dealing in particular with the issue of non-equivalent multiple priors. We solve the problem completely by identifying the worst--case measure. Our setup also allows to consider interest rate uncertainty; we show that under some robust parameter constellations, the investor optimally puts all his wealth into the asset market, and does not save or borrow at all."},"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":"1401.1639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.PM","submitted_at":"2014-01-08T10:04:00Z","cross_cats_sorted":["q-fin.RM"],"title_canon_sha256":"07087ddaea9ac472d5cff7ab312327d7a2a2c318db1f4d94f9ad4843a98fbc2b","abstract_canon_sha256":"3c7cc12f24cb51236020e057c23fd7ae88444708e5aaef8e82f52c4f920f1edf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:58.284822Z","signature_b64":"qO59vh5WKBbRR/KtJjxr/PLoENor6jaDAS4B2//yDPaZFWvWgCS3jLmCGaLaE5u6ZoJimVnwaW6WIOYn3pRwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0042488ffbe51fdbfd3792a4db3363143dc9c40f83cd2032b03e0fdf9bfc01c","last_reissued_at":"2026-05-18T03:02:58.284101Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:58.284101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal consumption and portfolio choice with ambiguity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.RM"],"primary_cat":"q-fin.PM","authors_text":"Frank Riedel, Qian Lin","submitted_at":"2014-01-08T10:04:00Z","abstract_excerpt":"We consider optimal consumption and portfolio choice in the presence of Knightian uncertainty in continuous-time. We embed the problem into the new framework of stochastic calculus for such settings, dealing in particular with the issue of non-equivalent multiple priors. We solve the problem completely by identifying the worst--case measure. Our setup also allows to consider interest rate uncertainty; we show that under some robust parameter constellations, the investor optimally puts all his wealth into the asset market, and does not save or borrow at all."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1639","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":""},"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":"1401.1639","created_at":"2026-05-18T03:02:58.284222+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.1639v1","created_at":"2026-05-18T03:02:58.284222+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1639","created_at":"2026-05-18T03:02:58.284222+00:00"},{"alias_kind":"pith_short_12","alias_value":"6ACCJCH7XZI7","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"6ACCJCH7XZI73P6T","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"6ACCJCH7","created_at":"2026-05-18T12:28:16.859392+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/6ACCJCH7XZI73P6TPEVE3MZWGF","json":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF.json","graph_json":"https://pith.science/api/pith-number/6ACCJCH7XZI73P6TPEVE3MZWGF/graph.json","events_json":"https://pith.science/api/pith-number/6ACCJCH7XZI73P6TPEVE3MZWGF/events.json","paper":"https://pith.science/paper/6ACCJCH7"},"agent_actions":{"view_html":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF","download_json":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF.json","view_paper":"https://pith.science/paper/6ACCJCH7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.1639&json=true","fetch_graph":"https://pith.science/api/pith-number/6ACCJCH7XZI73P6TPEVE3MZWGF/graph.json","fetch_events":"https://pith.science/api/pith-number/6ACCJCH7XZI73P6TPEVE3MZWGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF/action/storage_attestation","attest_author":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF/action/author_attestation","sign_citation":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF/action/citation_signature","submit_replication":"https://pith.science/pith/6ACCJCH7XZI73P6TPEVE3MZWGF/action/replication_record"}},"created_at":"2026-05-18T03:02:58.284222+00:00","updated_at":"2026-05-18T03:02:58.284222+00:00"}