{"id":"https://openalex.org/W2139182547","doi":"https://doi.org/10.1016/s0047-2727(98)00097-8","title":"Modeling charitable contributions of time and money","display_name":"Modeling charitable contributions of time and money","publication_year":1999,"publication_date":"1999-05-01","ids":{"openalex":"https://openalex.org/W2139182547","doi":"https://doi.org/10.1016/s0047-2727(98)00097-8","mag":"2139182547"},"language":"en","primary_location":{"id":"doi:10.1016/s0047-2727(98)00097-8","doi":"https://doi.org/10.1016/s0047-2727(98)00097-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0047-2727(98)00097-8","pdf_url":null,"source":{"id":"https://openalex.org/S199447588","display_name":"Journal of Public Economics","issn_l":"0047-2727","issn":["0047-2727","1879-2316"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a-star","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-1","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Public Economics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026827464","display_name":"Brian Duncan","orcid":"https://orcid.org/0000-0001-5409-6237","observed_orcids":["https://orcid.org/0000-0001-5409-6237"]},"institutions":[{"id":"https://openalex.org/I921990950","display_name":"University of Colorado Denver","ror":"https://ror.org/02hh7en24","country_code":"US","type":"education","lineage":["https://openalex.org/I921990950"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Brian Duncan","raw_affiliation_strings":["Department of Economics, University of Colorado at Denver, Suite 460, 1380 Lawrence Street, Denver, CO 80204, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics, University of Colorado at Denver, Suite 460, 1380 Lawrence Street, Denver, CO 80204, USA","institution_ids":["https://openalex.org/I921990950"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5026827464"],"corresponding_institution_ids":["https://openalex.org/I921990950"],"apc_list":{"value":4510,"currency":"USD","value_usd":4510},"apc_paid":null,"fwci":14.5746,"has_fulltext":false,"cited_by_count":253,"citation_normalized_percentile":{"value":0.98510281,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"72","issue":"2","first_page":"213","last_page":"242"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11120","display_name":"Nonprofit Sector and Volunteering","score":0.9458000063896179,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11120","display_name":"Nonprofit Sector and Volunteering","score":0.9458000063896179,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13825","display_name":"Economic Policies and Impacts","score":0.014600000344216824,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10646","display_name":"Experimental Behavioral Economics Studies","score":0.01119999960064888,"subfield":{"id":"https://openalex.org/subfields/3311","display_name":"Safety Research"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/charitable-giving","display_name":"charitable giving","score":0.7490000128746033},{"id":"https://openalex.org/keywords/public-goods","display_name":"public goods","score":0.5630000233650208},{"id":"https://openalex.org/keywords/volunteering","display_name":"volunteering","score":0.8360000252723694}],"concepts":[{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.7826376557350159},{"id":"https://openalex.org/C162222271","wikidata":"https://www.wikidata.org/wiki/Q92779871","display_name":"Public good","level":2,"score":0.7050979733467102},{"id":"https://openalex.org/C8031360","wikidata":"https://www.wikidata.org/wiki/Q1071788","display_name":"Crowding out","level":2,"score":0.5721758604049683},{"id":"https://openalex.org/C2780279448","wikidata":"https://www.wikidata.org/wiki/Q2559380","display_name":"Altruism (biology)","level":2,"score":0.5504117012023926},{"id":"https://openalex.org/C120936955","wikidata":"https://www.wikidata.org/wiki/Q2155640","display_name":"Empirical research","level":2,"score":0.49869847297668457},{"id":"https://openalex.org/C2781356325","wikidata":"https://www.wikidata.org/wiki/Q1929688","display_name":"Government spending","level":3,"score":0.4762972891330719},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.4735913872718811},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.43460986018180847},{"id":"https://openalex.org/C556758197","wikidata":"https://www.wikidata.org/wiki/Q580018","display_name":"Monetary economics","level":1,"score":0.22956961393356323},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.09258148074150085},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07611903548240662},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C100243477","wikidata":"https://www.wikidata.org/wiki/Q12002092","display_name":"Welfare","level":2,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0047-2727(98)00097-8","doi":"https://doi.org/10.1016/s0047-2727(98)00097-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0047-2727(98)00097-8","pdf_url":null,"source":{"id":"https://openalex.org/S199447588","display_name":"Journal of Public Economics","issn_l":"0047-2727","issn":["0047-2727","1879-2316"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a-star","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-1","jufo-3","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Public Economics","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:eee:pubeco:v:72:y:1999:i:2:p:213-242","doi":null,"is_oa":false,"landing_page_url":"http://www.sciencedirect.com/science/article/pii/S0047-2727(98)00097-8","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.7200000286102295,"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1484133690","https://openalex.org/W1488367885","https://openalex.org/W1526712223","https://openalex.org/W1533039014","https://openalex.org/W1544298983","https://openalex.org/W1564817488","https://openalex.org/W1965575369","https://openalex.org/W1975085767","https://openalex.org/W1992752623","https://openalex.org/W1993996160","https://openalex.org/W2005102024","https://openalex.org/W2025866812","https://openalex.org/W2034243651","https://openalex.org/W2038078420","https://openalex.org/W2038538196","https://openalex.org/W2045456597","https://openalex.org/W2048819877","https://openalex.org/W2059999980","https://openalex.org/W2063714912","https://openalex.org/W2073098228","https://openalex.org/W2076590923","https://openalex.org/W2079180642","https://openalex.org/W2098910318","https://openalex.org/W2110948822","https://openalex.org/W2111222789","https://openalex.org/W2141224712","https://openalex.org/W2145223518","https://openalex.org/W3123492638","https://openalex.org/W3137755148"],"related_works":["https://openalex.org/W1972602983","https://openalex.org/W2076590923","https://openalex.org/W7122426471","https://openalex.org/W7096285158","https://openalex.org/W1490915738","https://openalex.org/W3159483059","https://openalex.org/W3137755148","https://openalex.org/W3183539844","https://openalex.org/W1586208727","https://openalex.org/W7096221098"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":19},{"year":2015,"cited_by_count":17},{"year":2014,"cited_by_count":15},{"year":2013,"cited_by_count":11},{"year":2012,"cited_by_count":21}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}