{"id":"https://openalex.org/W3109905366","doi":"https://doi.org/10.21511/imfi.17(4).2020.19","title":"Diffusion of COVID-19 impact across selected stock markets: a wavelet coherency analysis","display_name":"Diffusion of COVID-19 impact across selected stock markets: a wavelet coherency analysis","publication_year":2020,"publication_date":"2020-12-03","ids":{"openalex":"https://openalex.org/W3109905366","doi":"https://doi.org/10.21511/imfi.17(4).2020.19","mag":"3109905366"},"language":"en","primary_location":{"id":"doi:10.21511/imfi.17(4).2020.19","doi":"https://doi.org/10.21511/imfi.17(4).2020.19","is_oa":true,"landing_page_url":"https://doi.org/10.21511/imfi.17(4).2020.19","pdf_url":"https://www.businessperspectives.org/images/pdf/applications/publishing/templates/article/assets/14314/IMFI_2020_04_Siddiqui.pdf","source":{"id":"https://openalex.org/S2764412428","display_name":"Investment Management and Financial Innovations","issn_l":"1810-4967","issn":["1810-4967","1812-9358","1813-4998"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","erih-plus","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310321069","host_organization_name":"Business Perspectives","host_organization_lineage":["https://openalex.org/P4310321069"],"host_organization_lineage_names":["Business Perspectives"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Investment Management and Financial Innovations","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.businessperspectives.org/images/pdf/applications/publishing/templates/article/assets/14314/IMFI_2020_04_Siddiqui.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040236343","display_name":"Taufeeque Ahmad Siddiqui","orcid":"https://orcid.org/0000-0002-3149-2234","observed_orcids":["https://orcid.org/0000-0002-3149-2234"]},"institutions":[{"id":"https://openalex.org/I59475050","display_name":"Jamia Millia Islamia","ror":"https://ror.org/00pnhhv55","country_code":"IN","type":"education","lineage":["https://openalex.org/I59475050"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Taufeeque Ahmad Siddiqui","raw_affiliation_strings":["Dr., Assistant Professor, Centre for Management Studies, Jamia Millia Islamia, New Delhi"],"raw_orcid":"https://orcid.org/0000-0002-3149-2234","affiliations":[{"raw_affiliation_string":"Dr., Assistant Professor, Centre for Management Studies, Jamia Millia Islamia, New Delhi","institution_ids":["https://openalex.org/I59475050"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Haseen Ahmed","orcid":"https://orcid.org/0000-0002-8721-6132","observed_orcids":["https://orcid.org/0000-0002-8721-6132"]},"institutions":[{"id":"https://openalex.org/I59475050","display_name":"Jamia Millia Islamia","ror":"https://ror.org/00pnhhv55","country_code":"IN","type":"education","lineage":["https://openalex.org/I59475050"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Haseen Ahmed","raw_affiliation_strings":["Research Scholar, Centre for Management Studies, Jamia Millia Islamia, New Delhi"],"raw_orcid":"https://orcid.org/0000-0002-8721-6132","affiliations":[{"raw_affiliation_string":"Research Scholar, Centre for Management Studies, Jamia Millia Islamia, New Delhi","institution_ids":["https://openalex.org/I59475050"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007004755","display_name":"Mohammad Naushad","orcid":"https://orcid.org/0000-0003-4421-3422","observed_orcids":["https://orcid.org/0000-0003-4421-3422"]},"institutions":[{"id":"https://openalex.org/I142608572","display_name":"Prince Sattam Bin Abdulaziz University","ror":"https://ror.org/04jt46d36","country_code":"SA","type":"education","lineage":["https://openalex.org/I142608572"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohammad Naushad","raw_affiliation_strings":["Dr., Assistant Professor, College of Business Administration- Alkharj, Prince Sattam Bin Abdulaziz University"],"raw_orcid":"https://orcid.org/0000-0003-4421-3422","affiliations":[{"raw_affiliation_string":"Dr., Assistant Professor, College of Business Administration- Alkharj, Prince Sattam Bin Abdulaziz University","institution_ids":["https://openalex.org/I142608572"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":685,"currency":"EUR","value_usd":738},"apc_paid":{"value":685,"currency":"EUR","value_usd":738},"fwci":3.3769,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.92931328,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"17","issue":"4","first_page":"202","last_page":"214"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10282","display_name":"Financial Risk and Volatility Modeling","score":0.7720000147819519,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"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/T10282","display_name":"Financial Risk and Volatility Modeling","score":0.7720000147819519,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"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/T11711","display_name":"COVID-19 Pandemic Impacts","score":0.1818999946117401,"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/T11059","display_name":"Market Dynamics and Volatility","score":0.03200000151991844,"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/covid-19","display_name":"COVID-19 pandemic","score":0.9279999732971191},{"id":"https://openalex.org/keywords/stock-market-co-movement","display_name":"stock market co-movement","score":0.972000002861023},{"id":"https://openalex.org/keywords/international-stock-markets","display_name":"international stock markets","score":0.6899999976158142},{"id":"https://openalex.org/keywords/wavelet-coherence","display_name":"wavelet coherence","score":0.7870000004768372},{"id":"https://openalex.org/keywords/market-volatility","display_name":"market volatility","score":0.5799999833106995},{"id":"https://openalex.org/keywords/portfolio-diversification","display_name":"portfolio diversification","score":0.8479999899864197},{"id":"https://openalex.org/keywords/bombay-stock-exchange","display_name":"Bombay Stock Exchange","score":0.7459999918937683},{"id":"https://openalex.org/keywords/london-stock-exchange","display_name":"London Stock Exchange","score":0.9819999933242798},{"id":"https://openalex.org/keywords/nasdaq","display_name":"NASDAQ","score":0.9980000257492065},{"id":"https://openalex.org/keywords/tokyo-stock-exchange","display_name":"Tokyo Stock Exchange","score":0.9340000152587891},{"id":"https://openalex.org/keywords/shanghai-stock-exchange","display_name":"Shanghai Stock Exchange","score":1.0}],"concepts":[{"id":"https://openalex.org/C200870193","wikidata":"https://www.wikidata.org/wiki/Q11691","display_name":"Stock exchange","level":2,"score":0.7020708322525024},{"id":"https://openalex.org/C204036174","wikidata":"https://www.wikidata.org/wiki/Q909380","display_name":"Stock (firearms)","level":2,"score":0.6806645393371582},{"id":"https://openalex.org/C12747933","wikidata":"https://www.wikidata.org/wiki/Q13405082","display_name":"Stock market bubble","level":4,"score":0.5544356107711792},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.49072134494781494},{"id":"https://openalex.org/C556758197","wikidata":"https://www.wikidata.org/wiki/Q580018","display_name":"Monetary economics","level":1,"score":0.4530394673347473},{"id":"https://openalex.org/C143910263","wikidata":"https://www.wikidata.org/wiki/Q750458","display_name":"Capital market","level":2,"score":0.43422606587409973},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.4339737296104431},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.4307063817977905},{"id":"https://openalex.org/C2778300220","wikidata":"https://www.wikidata.org/wiki/Q114380","display_name":"Financial crisis","level":2,"score":0.41816872358322144},{"id":"https://openalex.org/C88389905","wikidata":"https://www.wikidata.org/wiki/Q223371","display_name":"Stock market index","level":4,"score":0.4147629737854004},{"id":"https://openalex.org/C2780299701","wikidata":"https://www.wikidata.org/wiki/Q475000","display_name":"Stock market","level":3,"score":0.38517138361930847},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.20162802934646606},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.18268084526062012},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.06873685121536255},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.21511/imfi.17(4).2020.19","doi":"https://doi.org/10.21511/imfi.17(4).2020.19","is_oa":true,"landing_page_url":"https://doi.org/10.21511/imfi.17(4).2020.19","pdf_url":"https://www.businessperspectives.org/images/pdf/applications/publishing/templates/article/assets/14314/IMFI_2020_04_Siddiqui.pdf","source":{"id":"https://openalex.org/S2764412428","display_name":"Investment Management and Financial Innovations","issn_l":"1810-4967","issn":["1810-4967","1812-9358","1813-4998"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","erih-plus","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310321069","host_organization_name":"Business Perspectives","host_organization_lineage":["https://openalex.org/P4310321069"],"host_organization_lineage_names":["Business Perspectives"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Investment Management and Financial Innovations","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2a3d0eb5a42f47bfb53c2a34d82371c5","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/2a3d0eb5a42f47bfb53c2a34d82371c5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Investment Management & Financial Innovations, Vol 17, Iss 4, Pp 202-214 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.21511/imfi.17(4).2020.19","doi":"https://doi.org/10.21511/imfi.17(4).2020.19","is_oa":true,"landing_page_url":"https://doi.org/10.21511/imfi.17(4).2020.19","pdf_url":"https://www.businessperspectives.org/images/pdf/applications/publishing/templates/article/assets/14314/IMFI_2020_04_Siddiqui.pdf","source":{"id":"https://openalex.org/S2764412428","display_name":"Investment Management and Financial Innovations","issn_l":"1810-4967","issn":["1810-4967","1812-9358","1813-4998"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific","erih-plus","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310321069","host_organization_name":"Business Perspectives","host_organization_lineage":["https://openalex.org/P4310321069"],"host_organization_lineage_names":["Business Perspectives"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Investment Management and Financial Innovations","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3109905366.pdf","grobid_xml":"https://content.openalex.org/works/W3109905366.grobid-xml"},"referenced_works_count":48,"referenced_works":["https://openalex.org/W96942764","https://openalex.org/W138226670","https://openalex.org/W1492074542","https://openalex.org/W1545279469","https://openalex.org/W1545994795","https://openalex.org/W1599341303","https://openalex.org/W1776991978","https://openalex.org/W1885612876","https://openalex.org/W1966100523","https://openalex.org/W1970526076","https://openalex.org/W1974280456","https://openalex.org/W1981446545","https://openalex.org/W1982314295","https://openalex.org/W1983384974","https://openalex.org/W1988820683","https://openalex.org/W1990475559","https://openalex.org/W1998896711","https://openalex.org/W2005144749","https://openalex.org/W2008459530","https://openalex.org/W2011621267","https://openalex.org/W2019272463","https://openalex.org/W2021652673","https://openalex.org/W2025078052","https://openalex.org/W2028382798","https://openalex.org/W2029239181","https://openalex.org/W2030119370","https://openalex.org/W2034139177","https://openalex.org/W2053184657","https://openalex.org/W2054519963","https://openalex.org/W2067406103","https://openalex.org/W2070156195","https://openalex.org/W2075568198","https://openalex.org/W2089626657","https://openalex.org/W2124459709","https://openalex.org/W2146309665","https://openalex.org/W2171728511","https://openalex.org/W2173306896","https://openalex.org/W2788903502","https://openalex.org/W3021709961","https://openalex.org/W3090346556","https://openalex.org/W3121675937","https://openalex.org/W3123403928","https://openalex.org/W3124002889","https://openalex.org/W3125206992","https://openalex.org/W3125466232","https://openalex.org/W3134729067","https://openalex.org/W4298352105","https://openalex.org/W7058495627"],"related_works":["https://openalex.org/W3161282346","https://openalex.org/W3202784888","https://openalex.org/W3114391465","https://openalex.org/W4312543984","https://openalex.org/W4362727963","https://openalex.org/W7197242061","https://openalex.org/W3199939786","https://openalex.org/W4285307033","https://openalex.org/W4401370083","https://openalex.org/W6893441400"],"abstract_inverted_index":{"COVID-19":[0,77],"has":[1,250],"impacted":[2],"the":[3,10,14,22,40,52,62,68,131,135,137,168,187,193,196,199,205,210,242,267,270],"world":[4,41],"economy":[5],"in":[6,58,128,161,225,241,245],"an":[7,74],"unprecedented":[8],"manner;":[9],"financial":[11,42],"markets":[12,24,170],"indicate":[13],"same.":[15],"This":[16],"spontaneous":[17],"event":[18],"landed":[19],"most":[20,194],"of":[21,64,76,98,189,269],"stock":[23,66,80,100,169,201,237],"into":[25],"extreme":[26,32],"volatility.":[27],"Large":[28],"capital":[29],"outflow":[30],"and":[31,115,126,180,198,209],"rapid":[33],"fall":[34],"were":[35],"seen":[36],"among":[37],"almost":[38],"all":[39,246],"markets.":[43,133,202],"Though":[44],"similar":[45],"trend":[46],"prevailed":[47],"everywhere":[48],"during":[49],"this":[50],"pandemic,":[51],"impact":[53,75,268],"could":[54],"not":[55,234],"be":[56],"accumulated":[57],"absolute":[59],"terms.":[60],"Using":[61],"data":[63,91],"five":[65,99],"markets,":[67],"current":[69],"study":[70,83,172],"endeavored":[71],"to":[72,95,257],"draw":[73],"on":[78,88,140],"major":[79],"exchanges.":[81],"The":[82],"uses":[84],"wavelet":[85],"coherency":[86],"analysis":[87],"one-year":[89],"daily":[90],"from":[92],"June":[93],"2019":[94],"May":[96],"2020":[97],"markets:":[101],"Bombay":[102],"Stock":[103,107,112,117,230],"Exchange":[104,108,113],"(BSE),":[105],"London":[106],"(LSE),":[109],"NASDAQ,":[110],"Tokyo":[111],"(Nikkei),":[114],"Shanghai":[116,229],"Exchange.":[118,231],"It":[119,203,249],"is":[120,191,204,222,233,240],"observed":[121,253],"that":[122,254],"there":[123],"are":[124],"time-variation":[125],"scale-variation":[127],"co-movements":[129],"between":[130,195,207],"studied":[132],"During":[134],"crisis,":[136],"co-movement":[138,175,190,214,255],"concentrates":[139],"a":[141,260],"short":[142],"time":[143,165,178,217,262],"scale,":[144],"even":[145],"for":[146,154],"two":[147],"days.":[148],"These":[149],"results":[150],"have":[151,173],"significant":[152],"implications":[153],"international":[155],"investors,":[156],"which":[157],"will":[158],"help":[159],"them":[160],"portfolio":[162],"diversification":[163],"with":[164,182],"elements.":[166],"All":[167],"under":[171],"indicated":[174],"at":[176,215,259],"different":[177],"scales":[179,218],"frequencies":[181],"varying":[183],"cross-power":[184],"levels.":[185],"However,":[186],"concentration":[188],"found":[192],"UK":[197],"US":[200],"least":[206],"Japan":[208],"UK.":[211],"In":[212],"BSE,":[213],"shorter":[216,261],"started":[219,256],"late.":[220],"NASDAQ":[221],"leading":[223,235,243],"only":[224],"one":[226],"case,":[227],"i.e.,":[228],"BSE":[232],"any":[236],"index.":[238],"LSE":[239],"position":[244],"four":[247],"cases.":[248],"also":[251],"been":[252],"concentrate":[258],"scale":[263],"as":[264,266],"soon":[265],"crisis":[271],"increased.":[272]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2020-12-07T00:00:00"}
