Fluoromethylammonium iodide (FMAI) is prepared using a facile procedure through a simple nucleophilic reaction between fluoroiodomethane and ammonia in methanol and tested in n‐i‐p perovskite solar cells. FMA+ cation in combination with FA+ and Cs+ cations affords a power conversion efficiency close to 26% with a long‐term operational stability for ...
Justina Mikuciunaite +13 more
wiley +1 more source
Intelligent system for portfolio optimization for novel volatility forecasting using machine learning. [PDF]
Biswas T, Dey A, Mandal G, Ghosh N.
europepmc +1 more source
Temporary Programs, Lasting Questions: Ad Hoc Assistance in the U.S. Farm Safety Net
ABSTRACT Large ad hoc assistance programs have returned to U.S. farm policy since 2017, operating alongside a more developed safety net built around federally subsidized crop insurance, Title I commodity programs, and standing disaster assistance. This paper reviews the renewed use of ad hoc assistance, documents its recent scale using USDA data, and ...
Alejandro Plastina +1 more
wiley +1 more source
Strategic Risk Based Forecasting of Brent Crude Oil Prices: A Comparative Analysis of Econometric and Machine Learning Models. [PDF]
Yılmaz TE, Zehir C.
europepmc +1 more source
ABSTRACT This paper examines the relationship between participation in the EU Rural Development Program and the economic performance of Italian olive farms using a finite‐mixture model with inverse‐probability‐weighted regression adjustment. Based on 2010–2022 FADN panel data, it estimates heterogeneous treatment effects while correcting for selection ...
Francesco Caracciolo, Marilena Furno
wiley +1 more source
Corrigendum to "The impact of index futures crash risk on bitcoin futures returns and volatility" [Heliyon Volume 10, Issue 2, January 2024, Article e24126]. [PDF]
Tang CH, Lee YH, Huang YL, Liu YX.
europepmc +1 more source
Low Participation and Risk Reduction Potential of Supplemental Crop Insurance in the United States
ABSTRACT Federally subsidized crop insurance is a cornerstone of U.S. farm risk management, yet policies with the greatest share of participation only trigger indemnities after losses exceed 15%. Supplemental insurance was introduced to cover part of this deductible, but participation remains largely unchanged.
Francis Tsiboe +2 more
wiley +1 more source
"Good and bad investments" in public health stocks amid the COVID-19 shock: evidence from a transformer-based model. [PDF]
Zhao D, Li Y, Gu R.
europepmc +1 more source
Research on the impact of algorithmic trading on market volatility. [PDF]
Yang D, Yang Y, Luo J, Wang Z, Sha H.
europepmc +1 more source
The impact of trade frictions on the financial vulnerability of Chinese households. [PDF]
Xue X, Hao Y, Feng J, Han L.
europepmc +1 more source

