Browsing by Author Sebastião, Helder


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Issue DateTitleAuthor(s)TypeAccess
13-Jul-2017A Eficiência dos Bancos em Portugal de 2006 a 2015: Aplicação da Metodologia DEAFerreira, Rodrigo Miguel Neto masterThesisopenAccess
26-Oct-2017Estimação de funções densidade neutras face ao risco: uma aplicação a opções S&P 500Simões, Carolina Ramos masterThesisopenAccess
2021Forecasting and trading cryptocurrencies with machine learning under changing market conditionsSebastião, Helder Miguel Correia Virtuoso ; Godinho, Pedro Manuel Cortesão articleopenAccess
25-Mar-2022Forecasting Bitcoin Realized Volatility: The role of Blockchain InformationPereira, Francisco André TomémasterThesisopenAccess
15-Apr-2021Forecasting the volatility of Bitcoin using market and Blockchain informationFigueiredo, Madalena OliveiramasterThesisopenAccess
Jun-2021From Bitcoin to Central Bank Digital Currencies: Making Sense of the Digital Money RevolutionCunha, Paulo Rupino ; Melo, Paulo ; Sebastião, Helder articleopenAccess
10-Feb-2016As fusões hospitalares de 2011 e o seu impacto na eficiênciaCruz, Sérgio Almeida masterThesisopenAccess
23-Mar-2017The Iberian Electricity Market: Price Dynamics and Forward Risk PremiumFerreira, Márcio Rafael Baptista masterThesisopenAccess
Jan-2023Industry return lead-lag relationships between the US and other major countriesMonteiro, Ana; Silva, Nuno; Sebastião, Helder articleopenAccess
2018Information Transmission Between Cryptocurrencies: Does Bitcoin Rule the Cryptocurrency World?Bação, Pedro ; Duarte, António Portugal ; Sebastião, Helder ; Redzepagic, Srdjan articleopenAccess
2018Information Transmission Between Cryptocurrencies: Does Bitcoin Rule the Cryptocurrency World?Bação, Pedro ; Duarte, António Portugal ; Sebastião, Hélder ; Redzepagic, Srdjan workingPaperopenAccess
2020International evidence on stock returns and dividend growth predictability using dividend yieldsMonteiro, Ana ; Sebastião, Helder ; Silva, Nuno articleopenAccess
2020International evidence on stock returns and dividend growth predictability using dividend yieldsMonteiro, Ana; Sebastião, Helder Miguel Correia Virtuoso ; Silva, Nuno articleopenAccess
14-Mar-2018Investigações Antitrust na UE: o impacto no valor de mercado das empresasCarrilho, Pedro Andre Mano masterThesisopenAccess
30-Jul-2020IPO patterns in Euronext after the global financial crisis of 2007-2008Silva, Nuno ; Sebastião, Helder Miguel Correia Virtuoso ; Henriques, DiogoworkingPaperopenAccess
Jul-2021IPO Patterns in Euronext After the Global Financial Crisis of 2007‑ 2008Silva, Nuno; Sebastião, Helder ; Henriques, DiogoarticleopenAccess
17-Feb-2017O Mercado de Bitcoins/USD. Caracterização Estatística e Inter-Relação TemporalGuerreiro, Gabriel Correia masterThesisopenAccess
23-Sep-2013Modelling and numerical analysis in option market with memoryThomaz, Júlio Cezar Alves doctoralThesisopenAccess
30-Apr-2021Multifractality in bitcoinVaz, Cristiana Filipa TeixeiramasterThesisopenAccess
17-Mar-2021Native pricing factores of the cryptocurrencies ecosystemLima, Tomé da Costa Tavares demasterThesisopenAccess