Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1993059324', 'doi': 'https://doi.org/10.1007/s11113-013-9283-8', 'title': 'Marriage Squeeze, Never-Married Proportion, and Mean Age at First Marriage in China', 'display_name': 'Marriage Squeeze, Never-Married Proportion, and Mean Age at First Marriage in China', 'publication_year': 2013, 'publication_date': '2013-04-30', 'ids': {'openalex': 'https://openalex.org/W1993059324', 'doi': 'https://doi.org/10.1007/s11113-013-9283-8', 'mag': '1993059324', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/24634556', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/3948615'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1007/s11113-013-9283-8', 'pdf_url': 'https://link.springer.com/content/pdf/10.1007/s11113-013-9283-8.pdf', 'source': {'id': 'https://openalex.org/S190460170', 'display_name': 'Population Research and Policy Review', 'issn_l': '0167-5923', 'issn': ['0167-5923', '1573-7829'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'hybrid', 'oa_url': 'https://link.springer.com/content/pdf/10.1007/s11113-013-9283-8.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5014490774', 'display_name': 'Quanbao Jiang', 'orcid': 'https://orcid.org/0000-0002-5949-9868'}, 'institutions': [{'id': 'https://openalex.org/I87445476', 'display_name': "Xi'an Jiaotong University", 'ror': 'https://ror.org/017zhmm22', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I87445476']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Quanbao Jiang', 'raw_affiliation_strings': ["Institute for Population and Development Studies, School of Public Policy and Administration, Xi'an Jiaotong University, Xi'an, 710049 Shaanxi China."], 'affiliations': [{'raw_affiliation_string': "Institute for Population and Development Studies, School of Public Policy and Administration, Xi'an Jiaotong University, Xi'an, 710049 Shaanxi China.", 'institution_ids': ['https://openalex.org/I87445476']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5085988625', 'display_name': 'Marcus W. Feldman', 'orcid': 'https://orcid.org/0000-0002-0664-3803'}, 'institutions': [{'id': 'https://openalex.org/I97018004', 'display_name': 'Stanford University', 'ror': 'https://ror.org/00f54p054', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I97018004']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Marcus W. Feldman', 'raw_affiliation_strings': ['Morrison Institute for Population and Resource Studies, Stanford University, Stanford, CA 94305, USA'], 'affiliations': [{'raw_affiliation_string': 'Morrison Institute for Population and Resource Studies, Stanford University, Stanford, CA 94305, USA', 'institution_ids': ['https://openalex.org/I97018004']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5079183613', 'display_name': 'Shuzhuo Li', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I87445476', 'display_name': "Xi'an Jiaotong University", 'ror': 'https://ror.org/017zhmm22', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I87445476']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Shuzhuo Li', 'raw_affiliation_strings': ["Institute for Population and Development Studies, School of Public Policy and Administration Xi'an Jiaotong University Xi'an China"], 'affiliations': [{'raw_affiliation_string': "Institute for Population and Development Studies, School of Public Policy and Administration Xi'an Jiaotong University Xi'an China", 'institution_ids': ['https://openalex.org/I87445476']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2390, 'currency': 'EUR', 'value_usd': 2990, 'provenance': 'doaj'}, 'apc_paid': {'value': 2390, 'currency': 'EUR', 'value_usd': 2990, 'provenance': 'doaj'}, 'fwci': 6.368, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 78, 'citation_normalized_percentile': {'value': 0.965348, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '33', 'issue': '2', 'first_page': '189', 'last_page': '204'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12728', 'display_name': 'Gender Imbalance in East and South Asia', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/3318', 'display_name': 'Gender Studies'}, '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/T12728', 'display_name': 'Gender Imbalance in East and South Asia', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/3318', 'display_name': 'Gender Studies'}, '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/T10585', 'display_name': 'Family Structure and Fertility Patterns', 'score': 0.9891, 'subfield': {'id': 'https://openalex.org/subfields/3317', 'display_name': 'Demography'}, '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/T11712', 'display_name': 'Intergenerational Family Relationships and Support', 'score': 0.9819, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/marital-status', 'display_name': 'Marital status', 'score': 0.6998886}, {'id': 'https://openalex.org/keywords/marriage-market', 'display_name': 'Marriage market', 'score': 0.5642722}, {'id': 'https://openalex.org/keywords/marriage', 'display_name': 'Marriage', 'score': 0.44397}, {'id': 'https://openalex.org/keywords/arranged-marriage', 'display_name': 'Arranged Marriage', 'score': 0.42812577}], 'concepts': [{'id': 'https://openalex.org/C191935318', 'wikidata': 'https://www.wikidata.org/wiki/Q148', 'display_name': 'China', 'level': 2, 'score': 0.75702226}, {'id': 'https://openalex.org/C2781354955', 'wikidata': 'https://www.wikidata.org/wiki/Q11920938', 'display_name': 'Marital status', 'level': 3, 'score': 0.6998886}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, 'score': 0.640777}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.60365164}, {'id': 'https://openalex.org/C2779783368', 'wikidata': 'https://www.wikidata.org/wiki/Q17006440', 'display_name': 'Marriage market', 'level': 2, 'score': 0.5642722}, {'id': 'https://openalex.org/C2778555812', 'wikidata': 'https://www.wikidata.org/wiki/Q1411042', 'display_name': 'Age at first marriage', 'level': 4, 'score': 0.51392674}, {'id': 'https://openalex.org/C160050368', 'wikidata': 'https://www.wikidata.org/wiki/Q132453', 'display_name': 'Developed country', 'level': 3, 'score': 0.44068974}, {'id': 'https://openalex.org/C2910498686', 'wikidata': 'https://www.wikidata.org/wiki/Q1923231', 'display_name': 'Arranged Marriage', 'level': 2, 'score': 0.42812577}, {'id': 'https://openalex.org/C57520943', 'wikidata': 'https://www.wikidata.org/wiki/Q1068155', 'display_name': 'Sex ratio', 'level': 3, 'score': 0.42457393}, {'id': 'https://openalex.org/C4249254', 'wikidata': 'https://www.wikidata.org/wiki/Q3044431', 'display_name': 'Demographic economics', 'level': 1, 'score': 0.37186325}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.32239723}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.26884806}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.23912403}, {'id': 'https://openalex.org/C518429986', 'wikidata': 'https://www.wikidata.org/wiki/Q964401', 'display_name': 'Fertility', 'level': 3, 'score': 0.18076849}, {'id': 'https://openalex.org/C107993555', 'wikidata': 'https://www.wikidata.org/wiki/Q1662673', 'display_name': 'Gender studies', 'level': 1, 'score': 0.08917484}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 4, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1007/s11113-013-9283-8', 'pdf_url': 'https://link.springer.com/content/pdf/10.1007/s11113-013-9283-8.pdf', 'source': {'id': 'https://openalex.org/S190460170', 'display_name': 'Population Research and Policy Review', 'issn_l': '0167-5923', 'issn': ['0167-5923', '1573-7829'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc3948615', 'pdf_url': 'https://europepmc.org/articles/pmc3948615?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3948615', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/24634556', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1007/s11113-013-9283-8', 'pdf_url': 'https://link.springer.com/content/pdf/10.1007/s11113-013-9283-8.pdf', 'source': {'id': 'https://openalex.org/S190460170', 'display_name': 'Population Research and Policy Review', 'issn_l': '0167-5923', 'issn': ['0167-5923', '1573-7829'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/5', 'score': 0.69, 'display_name': 'Gender equality'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 50, 'referenced_works': ['https://openalex.org/W1466750604', 'https://openalex.org/W1513912377', 'https://openalex.org/W1514360309', 'https://openalex.org/W1661006090', 'https://openalex.org/W194852634', 'https://openalex.org/W1965283229', 'https://openalex.org/W1970269530', 'https://openalex.org/W1975063875', 'https://openalex.org/W1975366301', 'https://openalex.org/W1978281406', 'https://openalex.org/W1993223650', 'https://openalex.org/W1996254320', 'https://openalex.org/W2000558896', 'https://openalex.org/W2004499445', 'https://openalex.org/W2014311021', 'https://openalex.org/W2015000624', 'https://openalex.org/W2018447293', 'https://openalex.org/W2024617259', 'https://openalex.org/W2037796758', 'https://openalex.org/W2048058826', 'https://openalex.org/W2054588602', 'https://openalex.org/W2058788465', 'https://openalex.org/W2060375790', 'https://openalex.org/W2069059585', 'https://openalex.org/W2069320206', 'https://openalex.org/W2070415764', 'https://openalex.org/W2080061695', 'https://openalex.org/W2086183386', 'https://openalex.org/W2092188944', 'https://openalex.org/W2096178924', 'https://openalex.org/W2111797062', 'https://openalex.org/W2113247037', 'https://openalex.org/W2124148838', 'https://openalex.org/W2131336413', 'https://openalex.org/W2133066867', 'https://openalex.org/W2135824785', 'https://openalex.org/W2166358537', 'https://openalex.org/W2291708681', 'https://openalex.org/W2309440561', 'https://openalex.org/W2321368448', 'https://openalex.org/W2363431159', 'https://openalex.org/W2471320657', 'https://openalex.org/W3094234085', 'https://openalex.org/W4206271722', 'https://openalex.org/W4207044301', 'https://openalex.org/W4229690794', 'https://openalex.org/W4239377557', 'https://openalex.org/W4242535057', 'https://openalex.org/W4285719527', 'https://openalex.org/W4301754726'], 'related_works': ['https://openalex.org/W4312127100', 'https://openalex.org/W379278683', 'https://openalex.org/W2801752626', 'https://openalex.org/W2371899111', 'https://openalex.org/W2285721838', 'https://openalex.org/W2153435864', 'https://openalex.org/W2038872796', 'https://openalex.org/W2027941195', 'https://openalex.org/W1993059324', 'https://openalex.org/W1953051817'], 'abstract_inverted_index': {"China's": [0], 'sex': [1], 'ratio': [2], 'imbalance': [3], 'and': [4, 50, 67, 84, 131], 'the': [5, 19, 22, 30, 43, 47, 55, 64, 74, 85, 94, 103, 119], 'surplus': [6], 'of': [7, 14, 18, 21, 33, 42, 76], 'males': [8], 'have': [9], 'received': [10], 'a': [11], 'great': [12], 'deal': [13], 'attention,': [15], 'but': [16], 'measures': [17], 'extent': [20], 'marriage': [23, 44, 57, 95, 128], 'squeeze': [24, 45, 58, 96], 'do': [25], 'not': [26], 'take': [27], 'into': [28], 'account': [29], 'marital': [31, 116], 'status': [32], 'population.': [34], 'In': [35], 'this': [36], 'paper,': [37], 'we': [38, 70], 'devise': [39], 'an': [40], 'index': [41], 'for': [46], 'never-married': [48, 104, 121], 'population': [49, 66, 105], 'use': [51], 'it': [52], 'to': [53, 61], 'project': [54], 'male': [56], 'from': [59], '2000': [60], '2060.': [62], 'From': [63], 'predicted': [65], 'nuptiality': [68], 'tables,': [69], 'estimate': [71], 'trends': [72], 'in': [73], 'proportion': [75, 122], 'men': [77], 'that': [78, 93], 'never': [79], 'marry': [80], 'by': [81], 'age': [82, 87, 125], '50': [83], 'mean': [86, 124], 'at': [88, 126], 'first': [89, 127, 130], 'marriage.': [90], 'We': [91], 'find': [92], 'is': [97, 106], 'much': [98], 'more': [99], 'intense': [100], 'if': [101], 'only': [102], 'considered,': [107], 'rather': [108], 'than': [109], 'including': [110], 'all': [111], 'people': [112], 'without': [113], 'distinguishing': [114], 'their': [115], 'status.': [117], 'As': [118], 'lifelong': [120], 'increases,': [123], 'rises': [129], 'then': [132], 'declines.': [133]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1993059324', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 7}, {'year': 2022, 'cited_by_count': 11}, {'year': 2021, 'cited_by_count': 9}, {'year': 2020, 'cited_by_count': 21}, {'year': 2019, 'cited_by_count': 7}, {'year': 2018, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 6}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-14T19:06:35.973020', 'created_date': '2016-06-24'}