Study examines BRICS markets' vulnerability to Trump's policies.
problem Vulnerability of BRICS stock markets to Trump's election impact.
method Event-study methodology and social media, search queries, and public opinion polls integration.
result China and Brazil were hit hard, while India and South Africa suffered less.
Study examines how Trump tariffs and COVID-19 affected financial market efficiency.
problem Impact of geopolitical and systemic shocks on financial market efficiency.
method Multifractal detrended fluctuation analysis applied to financial asset returns.
result Trump tariffs had moderate but observable effects on market efficiency, while COVID-19 induced substantial changes.
Policy shifts between Trump and Biden impact ESG investments, creating volatility.
problem Dramatic policy shifts between Trump and Biden administrations affect ESG investments.
method Analyzes contrasting policies of Trump and Biden administrations and their impacts on ESG investments.
result Policy changes significantly influence ESG investments, leading to volatility and portfolio reassessment.
Study examines Trump's crypto influence on markets, revealing conflicts and vulnerabilities.
problem Presidential power and cryptocurrency markets during Trump's second term.
method Mixed-methods approach combining quantitative and qualitative data.
result Political-linked digital assets became a distinct class with systemic vulnerabilities.
Analyzes how Trump's tweets impact global stock markets.
problem Understanding the financial impact of presidential tweets on stock markets.
method Examined tweets from Donald Trump's presidency, collected from The Guardian and Bloomberg, and analyzed their effect on equity indices.
result Identified tweets that significantly influenced stock market indices.
Bitcoin became a strong safe haven after Trump's win, but its status varies over time.
problem Determining Bitcoin's role as a safe haven during market turmoil.
method Ensemble Empirical Mode Decomposition-based approach to analyze correlations.
result Bitcoin's safe-haven property is time-varying, being a weak safe haven in the short term and long term.
The 2016 US election results are inferred from census microdata.
problem Estimating vote shares for specific demographic groups from aggregated election data.
method Distribution regression with multinomial-logit model, exploratory data analysis.
result Estimates vote shares for specific demographic groups (e.g., white women, Trump supporters, etc.).
PROPS personalizes complex models for sequential data.
problem Personalizing complex models for sequential data.
method Pin black-box predictions to a hidden Markov model and learn probabilistic perturbations.
result PROPS achieves good customization with minimal data.
We discuss the local and global problems for the equivalence of geometric structures of an arbitrary order and, in later sections, attention is given to what really matters, namely the equivalence with respect to transformations belonging to a given pseudo-group of transformations. We first give attention to general pr…
Study reveals why polls were inaccurate in 2016 US election.
problem Why opinion polls were inaccurate in 2016 US election.
method Proposes clean sensing framework for optimal parameter estimation from heterogeneous data sources.
result Optimal polling strategy allocates resources based on data quality and quantity.
The study analyzes meta-data of viral tweets to distinguish fake news from real ones.
problem Identifying political fake news on Twitter using metadata.
method Analysis of 1.5M tweets from the 2016 US election, focusing on viral tweets.
result Significant differences found in followers, URLs, and user verification.
Dynamic Time Warping improves regression accuracy on spectroscopy data.
problem Improving regression accuracy on spectroscopy data with DTW when data is across multiple wavelengths.
method Illustrated DTW's effectiveness on spectroscopy time-series data, showing its benefits in improving regression accuracy when only a single wavelength is considered. DTW combined with k-Nearest Neighbour reveals similarities and differences at the time-series level.
result DTW improves regression accuracy on spectroscopy data, especially when considering a single wavelength.
Study examines Bitcoin price formation beyond fundamental sources.
problem Understanding Bitcoin price formation beyond traditional factors.
method Bayesian quantile regression to analyze Bitcoin price and its determinants.
result Identified three groups of determinants influencing Bitcoin price under different market conditions.
Study examines market response to concentrated policy communication using entropy measures.
problem Characterizing market response under concentrated policy communication.
method Jointly examines dispersion and information complexity (entropy) using sliding window cumulative entropy.
result Entropy captures both market volatility and narrative constraints, signaling coherent policy-driven moves.
This study examines how political uncertainty affects U.S. stock markets, finding mixed results.
problem The impact of political uncertainty on U.S. stock markets during presidential election periods.
method Event-study methodology examining abnormal return behavior around election dates.
result Positive abnormal returns were found following election results, contradicting the uncertain information hypothesis.