The resilience of cryptocurrency market efficiency to COVID-19 shock

LHS Fernandes, E Bouri, JWL Silva, L Bejan… - Physica A: Statistical …, 2022 - Elsevier
We examine the price disorder and informational efficiency of five cryptocurrencies (Bitcoin,
BNB, Cardano, Ethereum, and XRP) before and during the COVID-19 pandemic. In this …

Multifractal cross-correlations between green bonds and financial assets

LHS Fernandes, JWL Silva, FHA de Araujo… - Finance Research …, 2023 - Elsevier
We analyze multifractality for green bonds, stock sector indices, and US economic sector
bonds. Green bonds and US bonds show non-linear cross-correlations. We perform …

Multifractal risk measures by macroeconophysics perspective: The case of brazilian inflation dynamics

LHS Fernandes, JWL Silva, FHA de Araujo - Chaos, Solitons & Fractals, 2022 - Elsevier
This paper examines the Brazilian inflation indexes dynamics using the multifractal
detrended fluctuations analysis (MF-DFA) and the multifractal detrended cross-correlation …

Interplay multifractal dynamics among metal commodities and us-epu

LHS Fernandes, JWL Silva, FHA De Araujo… - Physica A: Statistical …, 2022 - Elsevier
This research employs the Multifractal Detrended Fluctuations Analysis (MF-DFA) and the
Multifractal Detrended Cross-Correlation Analysis (MF-DCCA) to study the components of …

An analysis of the predictability of brazilian inflation indexes by information theory quantifiers

LHS Fernandes, FHA De Araujo, JWL Silva - Fractals, 2022 - World Scientific
This research explores the predictability of the Brazilian inflation monthly price indexes time
series by information theory quantifiers. Given this, we apply the Bandt and Pompe method …

Lighting the populational impact of covid-19 vaccines in brazil

FHA Araujo, LHS Fernandes - Fractals, 2022 - World Scientific
This paper examines the populational impact of the COVID-19 vaccinations for Brazil.
Therefore, our analysis takes into account the time series of the daily number of deaths …

Booms in commodities price: Assessing disorder and similarity over economic cycles

LHS Fernandes, FHA de Araujo, JWL Silva, BM Tabak - Resources Policy, 2022 - Elsevier
This paper provides an overview of the commodities market, considering three relevant
attributes: predictability, similarity, and efficiency. We examine the monthly spot and futures …

Multifractal cross-correlations risk among wti and financial assets

LHS Fernandes, JWL Silva, DD Quintino… - Fractals, 2022 - World Scientific
Independent of science branch, scientists have a consensus that peoples lives are highly
susceptible to risk, and effectively quantifying risk is a big challenge. This paper assesses …

Assessment of sector bond, equity indices and green bond index using information theory quantifiers and clusters techniques

LHS Fernandes, FHA De Araujo, JWL Silva… - Fractals, 2023 - World Scientific
Green bonds are financial assets similar to classic debt securities used to finance
sustainable investments. Given this, they are a long-term investment alternative that …

Comparing the efficiency and similarity between wti, fiat currencies and foreign exchange rates

LHS Fernandes, JWL Silva, DD Quintino… - Fluctuation and Noise …, 2023 - World Scientific
The complex dynamics of financial asset prices play a pivotal role in the global economy
and consequently in the life of the people. Thus, this research encompasses a systematic …