Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2790771395', 'doi': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'title': 'Analysis of the Determinants of Efficiency and Productivity of Shipping Companies by using the Sequential Malmquist Index', 'display_name': 'Analysis of the Determinants of Efficiency and Productivity of Shipping Companies by using the Sequential Malmquist Index', 'publication_year': 2017, 'publication_date': '2017-03-01', 'ids': {'openalex': 'https://openalex.org/W2790771395', 'doi': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'mag': '2790771395'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210231378', 'display_name': 'Journal of Shipping and Logistics', 'issn_l': '1598-8538', 'issn': ['1598-8538'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'hybrid', 'oa_url': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5024841837', 'display_name': 'Jongsoon Koo', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'None Jongsoon Koo', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5009945576', 'display_name': 'Kyung-Yun Hwang', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'None Hwang, Kyung-Yun', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 64}, 'biblio': {'volume': '33', 'issue': '1', 'first_page': '5', 'last_page': '27'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10357', 'display_name': 'Efficiency Analysis in Production and Resource Allocation', 'score': 0.9664, 'subfield': {'id': 'https://openalex.org/subfields/1803', 'display_name': 'Management Science and Operations Research'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10357', 'display_name': 'Efficiency Analysis in Production and Resource Allocation', 'score': 0.9664, 'subfield': {'id': 'https://openalex.org/subfields/1803', 'display_name': 'Management Science and Operations Research'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T12428', 'display_name': 'Concept and Measurement of Regional Competitiveness', 'score': 0.9561, 'subfield': {'id': 'https://openalex.org/subfields/1408', 'display_name': 'Strategy and Management'}, 'field': {'id': 'https://openalex.org/fields/14', 'display_name': 'Business, Management and Accounting'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T14051', 'display_name': 'Spatial Shift-Share Analysis in Economic Development', 'score': 0.9305, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/malmquist-index', 'display_name': 'Malmquist index', 'score': 0.84733975}, {'id': 'https://openalex.org/keywords/efficiency-measurement', 'display_name': 'Efficiency Measurement', 'score': 0.54984}, {'id': 'https://openalex.org/keywords/firm-competitiveness', 'display_name': 'Firm Competitiveness', 'score': 0.541643}, {'id': 'https://openalex.org/keywords/competitiveness-indices', 'display_name': 'Competitiveness Indices', 'score': 0.541391}, {'id': 'https://openalex.org/keywords/banking-efficiency', 'display_name': 'Banking Efficiency', 'score': 0.527663}, {'id': 'https://openalex.org/keywords/dynamic-analysis', 'display_name': 'Dynamic Analysis', 'score': 0.525191}], 'concepts': [{'id': 'https://openalex.org/C2777017832', 'wikidata': 'https://www.wikidata.org/wiki/Q6744383', 'display_name': 'Malmquist index', 'level': 4, 'score': 0.84733975}, {'id': 'https://openalex.org/C2777382242', 'wikidata': 'https://www.wikidata.org/wiki/Q6017816', 'display_name': 'Index (typography)', 'level': 2, 'score': 0.76570064}, {'id': 'https://openalex.org/C204983608', 'wikidata': 'https://www.wikidata.org/wiki/Q2111958', 'display_name': 'Productivity', 'level': 2, 'score': 0.75077283}, {'id': 'https://openalex.org/C144133560', 'wikidata': 'https://www.wikidata.org/wiki/Q4830453', 'display_name': 'Business', 'level': 0, 'score': 0.5228158}, {'id': 'https://openalex.org/C40700', 'wikidata': 'https://www.wikidata.org/wiki/Q1411783', 'display_name': 'Industrial organization', 'level': 1, 'score': 0.44035035}, {'id': 'https://openalex.org/C149782125', 'wikidata': 'https://www.wikidata.org/wiki/Q160039', 'display_name': 'Econometrics', 'level': 1, 'score': 0.38244885}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.34542304}, {'id': 'https://openalex.org/C120009192', 'wikidata': 'https://www.wikidata.org/wiki/Q1936153', 'display_name': 'Total factor productivity', 'level': 3, 'score': 0.31500685}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.21076679}, {'id': 'https://openalex.org/C50522688', 'wikidata': 'https://www.wikidata.org/wiki/Q189833', 'display_name': 'Economic growth', 'level': 1, 'score': 0.13469353}, {'id': 'https://openalex.org/C136764020', 'wikidata': 'https://www.wikidata.org/wiki/Q466', 'display_name': 'World Wide Web', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210231378', 'display_name': 'Journal of Shipping and Logistics', 'issn_l': '1598-8538', 'issn': ['1598-8538'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.37059/tjosal.2017.33.1.5', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210231378', 'display_name': 'Journal of Shipping and Logistics', 'issn_l': '1598-8538', 'issn': ['1598-8538'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/8', 'score': 0.59, 'display_name': 'Decent work and economic growth'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 12, 'referenced_works': ['https://openalex.org/W1561503419', 'https://openalex.org/W2006948723', 'https://openalex.org/W2019611869', 'https://openalex.org/W2029743003', 'https://openalex.org/W2036169621', 'https://openalex.org/W2042105538', 'https://openalex.org/W2043816263', 'https://openalex.org/W2049421553', 'https://openalex.org/W2103816730', 'https://openalex.org/W2260679539', 'https://openalex.org/W2476645851', 'https://openalex.org/W2747583263'], 'related_works': ['https://openalex.org/W587380481', 'https://openalex.org/W2792778269', 'https://openalex.org/W2383669194', 'https://openalex.org/W2383431048', 'https://openalex.org/W2378622330', 'https://openalex.org/W2378352691', 'https://openalex.org/W2362044171', 'https://openalex.org/W2361021672', 'https://openalex.org/W2359323154', 'https://openalex.org/W2353257990'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2790771395', 'counts_by_year': [], 'updated_date': '2024-09-18T17:08:56.924129', 'created_date': '2018-03-29'}