{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:57YTBSSTKV3H36JVSLAIZRVM4N","short_pith_number":"pith:57YTBSST","schema_version":"1.0","canonical_sha256":"eff130ca5355767df93592c08cc6ace358e4ffaf2c97c1c2afbb1cc819f64bd7","source":{"kind":"arxiv","id":"2404.12581","version":1},"attestation_state":"computed","paper":{"title":"Two-step Estimation of Network Formation Models with Unobserved Heterogeneities and Strategic Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"econ.EM","authors_text":"Shaomin Wu","submitted_at":"2024-04-19T02:20:39Z","abstract_excerpt":"In this paper, I characterize the network formation process as a static game of incomplete information, where the latent payoff of forming a link between two individuals depends on the structure of the network, as well as private information on agents' attributes. I allow agents' private unobserved attributes to be correlated with observed attributes through individual fixed effects. Using data from a single large network, I propose a two-step estimator for the model primitives. In the first step, I estimate agents' equilibrium beliefs of other people's choice probabilities. In the second step"},"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":"2404.12581","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.EM","submitted_at":"2024-04-19T02:20:39Z","cross_cats_sorted":[],"title_canon_sha256":"c732d1a12027a7f424fe9669ba913b5241fc12924ebd627afbfd518758c01cf1","abstract_canon_sha256":"625d249c9686fe21a7814d70df92613dc2e7003b4e500c8782cc77d981ccd87c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:09:55.618118Z","signature_b64":"MFxxK8i3xTTdDutDjAQWPFiXprP+o65HXaoffzu6FfWkmLMp/wr3Il9t+VTvwQr9jm05M7GmEjWjpbOWvD/UCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eff130ca5355767df93592c08cc6ace358e4ffaf2c97c1c2afbb1cc819f64bd7","last_reissued_at":"2026-07-05T08:09:55.617731Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:09:55.617731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two-step Estimation of Network Formation Models with Unobserved Heterogeneities and Strategic Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"econ.EM","authors_text":"Shaomin Wu","submitted_at":"2024-04-19T02:20:39Z","abstract_excerpt":"In this paper, I characterize the network formation process as a static game of incomplete information, where the latent payoff of forming a link between two individuals depends on the structure of the network, as well as private information on agents' attributes. I allow agents' private unobserved attributes to be correlated with observed attributes through individual fixed effects. Using data from a single large network, I propose a two-step estimator for the model primitives. In the first step, I estimate agents' equilibrium beliefs of other people's choice probabilities. In the second step"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12581","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/2404.12581/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":"2404.12581","created_at":"2026-07-05T08:09:55.617790+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.12581v1","created_at":"2026-07-05T08:09:55.617790+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12581","created_at":"2026-07-05T08:09:55.617790+00:00"},{"alias_kind":"pith_short_12","alias_value":"57YTBSSTKV3H","created_at":"2026-07-05T08:09:55.617790+00:00"},{"alias_kind":"pith_short_16","alias_value":"57YTBSSTKV3H36JV","created_at":"2026-07-05T08:09:55.617790+00:00"},{"alias_kind":"pith_short_8","alias_value":"57YTBSST","created_at":"2026-07-05T08:09:55.617790+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/57YTBSSTKV3H36JVSLAIZRVM4N","json":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N.json","graph_json":"https://pith.science/api/pith-number/57YTBSSTKV3H36JVSLAIZRVM4N/graph.json","events_json":"https://pith.science/api/pith-number/57YTBSSTKV3H36JVSLAIZRVM4N/events.json","paper":"https://pith.science/paper/57YTBSST"},"agent_actions":{"view_html":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N","download_json":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N.json","view_paper":"https://pith.science/paper/57YTBSST","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.12581&json=true","fetch_graph":"https://pith.science/api/pith-number/57YTBSSTKV3H36JVSLAIZRVM4N/graph.json","fetch_events":"https://pith.science/api/pith-number/57YTBSSTKV3H36JVSLAIZRVM4N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N/action/storage_attestation","attest_author":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N/action/author_attestation","sign_citation":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N/action/citation_signature","submit_replication":"https://pith.science/pith/57YTBSSTKV3H36JVSLAIZRVM4N/action/replication_record"}},"created_at":"2026-07-05T08:09:55.617790+00:00","updated_at":"2026-07-05T08:09:55.617790+00:00"}