Results 241 to 250 of about 508,325 (367)

Miners' Reward Elasticity and Stability of Competing Proof‐of‐Work Cryptocurrencies

open access: yesInternational Economic Review, EarlyView.
ABSTRACT Proof‐of‐Work cryptocurrencies employ miners to sustain the system through algorithmic reward adjustments. We develop a stochastic model of the multicurrency mining and identify conditions for stable transaction speeds. Bitcoin's algorithm requires hash supply elasticity <$<$1 for stability, while ASERT remains stable for any elasticity and ...
Kohei Kawaguchi   +2 more
wiley   +1 more source

The geometry of pMHC‐coated nanoparticles and T‐cell receptor clusters governs the sensitivity‐specificity trade‐off in T‐cell response: a modeling investigation

open access: yesImmunology &Cell Biology, EarlyView.
Using numerical Monte Carlo simulations of nanoparticle‐T‐cell receptors binding, we show that the spatial organization of surface receptors is important for affinity‐based discrimination of peptide‐major histocompatibility complex ligands. Interaction geometry modulates the sensitivity of the T‐cell response to both ligand concentration and binding ...
Louis Richez, Anmar Khadra
wiley   +1 more source

How Important Is the Home Market for Cross‐Listed Biotech Companies?

open access: yesInternational Finance, EarlyView.
ABSTRACT This study investigates five German biotechnology firms cross‐listed on XETRA and NASDAQ. By employing high‐frequency data, we estimate both bivariate and trivariate vector error correction models—the latter explicitly accounting for exchange rate dynamics—to assess which market, domestic or U.S., leads in price discovery.
Theodore Panagiotidis, Pavlos Tsiokas
wiley   +1 more source

A Comparative Review of Specification Tests for Diffusion Models

open access: yesInternational Statistical Review, EarlyView.
Summary Diffusion models play an essential role in modelling continuous‐time stochastic processes in the financial field. Therefore, several proposals have been developed in the last decades to test the specification of stochastic differential equations.
A. López‐Pérez   +3 more
wiley   +1 more source

Estimating Velocities of Infectious Disease Spread Through Spatio‐Temporal Log‐Gaussian Cox Point Processes

open access: yesInternational Statistical Review, EarlyView.
Summary Understanding the spread of infectious diseases such as COVID‐19 is crucial for informed decision‐making and resource allocation. A critical component of disease behaviour is the velocity with which disease spreads, defined as the rate of change between time and space.
Fernando Rodriguez Avellaneda   +2 more
wiley   +1 more source

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