Sovereign Credit Ratings: A Friend or Foe to Financial Development of African Countries?
ABSTRACT This study examined the impact of sovereign credit rating on financial development. Using a sample of 21 African countries from 1995 to 2019, the empirical result indicates a significant and positive link between sovereign credit rating and financial development that is, higher credit ratings are associated with lower borrowing costs ...
Sodiq Arogundade+2 more
wiley +1 more source
Combining meta reinforcement learning with neural plasticity mechanisms for improved AI performance. [PDF]
Liu L, Xu Z.
europepmc +1 more source
A Learning Model with Memory in the Financial Markets
ABSTRACT Learning is central to a financial agent's aspiration to gain persistent strategic advantage in asset value maximisation. The implicit mechanism that transforms this aspiration into an observed value gain is the speed of error corrections (demonstrating, an agent's speed of learning) whilst facing increased uncertainty.
Shikta Singh+6 more
wiley +1 more source
Digital infrastructure and intra-provincial balanced development: Evidence from China's provincial panel data. [PDF]
Lin S, Zuo L, Cen T.
europepmc +1 more source
A Scholar's Year in Review: Navigating the Convergence of AI, Economics, and Physics in 2023
Daniel S Goldman
openalex +2 more sources
Carbon Performance and Financial Performance: How R&D Makes a Difference Pre‐ and Post‐Paris Accord
ABSTRACT This study examines how R&D investments influence U.S. firms' abilities to align environmental initiatives with financial outcomes. It employs a sample of 229 firms listed on the S&P 500 between 2003 and 2021 and multivariate panel regression models with fixed effects to explore how R&D moderates the relationship between corporate carbon ...
Mohamad H. Shahrour+3 more
wiley +1 more source
Deep Learning for Bond Yield Forecasting: The LSTM‐LagLasso
ABSTRACT We present long short‐term memory (LSTM)‐LagLasso, a novel explainable deep learning approach applied to bond yield forecasting. Our method involves feature selection from a large universe of potential features and forecasts bond yields using dynamic LSTM networks.
Manuel Nunes+4 more
wiley +1 more source
Emerging contemporary monetary policy issues in Africa: An application of wavelet and quantile techniques to climatic shocks on inflation. [PDF]
Mamman SO+3 more
europepmc +1 more source
Exchange Rate Risk and Deviations From Purchasing Power Parity
ABSTRACT This paper proposes a new solution to the purchasing power parity (PPP) puzzles, arguing that investors' higher‐order risk attitudes, combined with higher‐order uncertainty about nominal exchange rates, as reflected by skewness and kurtosis, drive a risk premium that leads to deviations from PPP.
Michael G. Arghyrou+2 more
wiley +1 more source