author = { Serrano-Monge, Esteban },

title = { Inferences from portfolio theory and efficient market hypothesis to the impact of social media on sovereign debt Colombia, Ecuador, and Peru },

publisher = {},

isbn = {1911-8074},

keywords = { efficient market hypotheses , portfolio theory , sovereign credit risk , country risk , social media , Aufsatz in Zeitschrift },

year = {2022},

address = { },

url = { http://slubdd.de/katalog?TN_libero_mab2 }