{"id":"https://openalex.org/W2970540320","doi":null,"title":"International trade;: An approach to the theory","display_name":"International trade;: An approach to the theory","publication_year":1972,"publication_date":"1972-01-01","ids":{"openalex":"https://openalex.org/W2970540320","mag":"2970540320"},"language":"en","primary_location":{"id":"mag:2970540320","doi":null,"is_oa":false,"landing_page_url":"https://www.amazon.com/International-Trade-Akira-Takayama/dp/0030842158","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"book","indexed_in":[],"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/A5073912850","display_name":"Akira Takayama","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Akira Takayama","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5073912850"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0333,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.93112948,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10128","display_name":"Global trade and economics","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2000","display_name":"General Economics, Econometrics and Finance"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10128","display_name":"Global trade and economics","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2000","display_name":"General Economics, Econometrics and Finance"},"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/T12428","display_name":"Global Trade and Competitiveness","score":0.0017000000225380063,"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/T11742","display_name":"Economic Theory and Policy","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2000","display_name":"General Economics, Econometrics and Finance"},"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/international-trade-theory","display_name":"international trade theory","score":0.902999997138977},{"id":"https://openalex.org/keywords/trade-theory","display_name":"trade theory","score":0.6259999871253967}],"concepts":[{"id":"https://openalex.org/C155202549","wikidata":"https://www.wikidata.org/wiki/Q178803","display_name":"International trade","level":1,"score":0.4538407027721405},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.40381526947021484},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.328594446182251}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2970540320","doi":null,"is_oa":false,"landing_page_url":"https://www.amazon.com/International-Trade-Akira-Takayama/dp/0030842158","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2608763810","https://openalex.org/W2338864843","https://openalex.org/W2082636692","https://openalex.org/W6903771849","https://openalex.org/W2975607367","https://openalex.org/W2799107400","https://openalex.org/W6884637482","https://openalex.org/W7098643806","https://openalex.org/W652298827","https://openalex.org/W571013817"],"abstract_inverted_index":null,"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":6}],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2019-09-05T00:00:00"}