Results 111 to 120 of about 136,990 (310)

Modelling long-term electricity contracts at EEX [PDF]

open access: yes, 2011
The main aim of this paper is to develop and calibrate an econometric model for modelling prices of long term electricity futures contracts. The calibration of our model is performed on data from EEX AG allowing us to capture the specific features of ...
Flasza, Robert   +2 more
core  

Self‐Trapped Hole Migration and Defect‐Mediated Thermal Quenching of Luminescence in α‐ and β‐Ga2O3

open access: yesAdvanced Functional Materials, EarlyView.
Temperature‐dependent photoluminescence and first‐principles calculations reveal self‐trapped hole migration as the microscopic origin of thermal quenching in α‐ and β‐Ga2O3. The low migration barrier in α‐Ga2O3 enables defect trapping and enhances blue luminescence, while the higher barrier in β‐Ga2O3 preserves ultraviolet emission at elevated ...
Nima Hajizadeh   +11 more
wiley   +1 more source

On the American style futures contracts

open access: yesCroatian Operational Research Review
There is a large number of sources devoted to the American style options. On the other hand, the American futures contracts are understudied in the scientific literature.
Tsvetelin Zaevski
doaj   +1 more source

Contracting innovations and the evolution of clearing and settlement methods at futures exchanges [PDF]

open access: yes
Defining futures contracts as substitutes for associated cash transactions enables a discussion of the evolution of controls over contract nonperformance risk. These controls are incorporated into exchange methods for clearing contracts.
James T. Moser
core  

Unusual Swelling Behavior of Hydrogels Modified with Spiropyran as Appendage or Crosslinker

open access: yesAdvanced Functional Materials, EarlyView.
Not so innocent after all—spiropyran crosslinkers in methylenebisacrylamide‐crosslinked poly(acrylamide‐co‐acrylic acid) hydrogels increase crosslinking density, but also, counterintuitively, increase swelling. Charge complexation, cooperative chemo‐mechanical effects, and aggregation may explain these observations.
Michael M. Lerch   +7 more
wiley   +1 more source

Impact of Liquidity on the Futures–Cash Basis: Evidence from the Indian Market [PDF]

open access: yes
The law of one price relies on enforcement by arbitragers who are expected to eliminate price differentials quickly. Arbitragers’ activities are constrained by liquidity of markets.
Palani-Rajan Kadapakkam, Umesh Kumar
core  

Deformation and Degradation in 18650 Li‐Ion Cells Under Freeze‐Thaw Cycling

open access: yesAdvanced Functional Materials, EarlyView.
This study investigates the impact of freezethaw degradation of 18650 cells via combined electrochemical and x‐ray imaging studies. High‐resolution synchrotron X‐ray tomography reveals deformation of the jelly‐roll structure and delamination of electrode active materials in cells cycled at 1C and 4C. These structural changes are quantitatively assessed
Xunkai Chen   +5 more
wiley   +1 more source

The puzzle of privately-imposed price limits: are the limits imposed by financial exchanges effective? [PDF]

open access: yes
Some of the world’s largest futures exchanges impose daily limits on the price movements of individual contracts. Using data from three of the most active US commodity futures contracts, we show that these price restrictions are largely ineffective ...
Buyuksahin, Bahattin, Reiffen, David
core   +1 more source

Solvent‐Free Bonding Mechanisms and Microstructure Engineering in Dry Electrode Technology for Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Dry electrode technology revolutionizes battery manufacturing by eliminating toxic solvents and energy‐intensive drying. This work details two promising techniques: dry spray deposition and polymer fibrillation. How their unique solvent‐free bonding mechanisms create uniform microstructures for thicker, denser electrodes, boosting energy density and ...
Yuhao Liang   +7 more
wiley   +1 more source

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