Results 131 to 140 of about 326,044 (303)

Volatility Spillovers and Market Integration in South Africa’s Fresh Produce Markets

Commodities
Price volatility in the South African fresh produce market poses significant risks to the entire value chain. This study examines the extent of price volatility and spillover effects in these markets to improve price risk management and enhance market ...
David Kalima, Mariëtte Geyser, Andrea Saayman   +2 more
doaj   +1 more source

Scrutinizing Pork Price Volatility in the European Union over the Last Decade. [PDF]

Animals (Basel), 2022
Utnik-Banaś K, Schwarz T, Szymanska EJ, Bartlewski PM, Satoła Ł.   +4 more
europepmc   +1 more source

A general decomposition formula for derivative prices in stochastic volatility models [PDF]

We see that the price of an european call option in a stochastic volatility framework can be decomposed in the sum of four terms, which identify the main features of the market that affect to option prices: the expected future volatility, the correlation
Elisa Alòs
core  

Electro‐Chemo‐Mechanical Coupling in Hf0.5Zr0.5O2 Ferroionic Heterostructures

Advanced Functional Materials, EarlyView.
Schematic of a ferroionic HZO heterostructure where epitaxial interfaces enable dynamic oxygen‐vacancy exchange, coupling ionic and ferroelectric degrees of freedom. Vacancy‐mediated polarization modulation biases HZO polymorphism, suppresses leakage, and enhances piezoelectric response, yielding distinct butterfly‐loop evolution and diode‐like ...
Achilles Bergne, Denis Alikin, Milica Vasiljevic, Victor B. Tinti, Javier Zamudio‐García, Leonardo Soares de Oliveira, Megan Landberg, Dimitrios Koukoulis, Huaiyu Chen, Jesper Wallentin, David Marrero‐López, Astri Bjørnetun Haugen, Sizhao Huang, Dennis Christensen, Nini Pryds, Alexander Tselev, Andrei Kholkin, Vincenzo Esposito   +17 more
wiley   +1 more source

Volatility connectedness of GCC stock markets: how global oil price volatility drives volatility spillover in GCC stock markets? [PDF]

Environ Sci Pollut Res Int, 2023
Hussain M, Rehman RU.
europepmc   +1 more source

Commodity price volatility and Tax revenues: Evidence from developing countries [PDF]

The recent boom and bust in commodity prices has renewed the policymakers’ interest in three complementary issues: i) characteristics and determinants of commodity price instability, ii) its macroeconomic effects and, iii) the optimal policy responses to
Hélène EHRHART, Samuel GUERINEAU
core  

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

Advanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner, Dhananjeya Kumaar, Giacomo Torti, Killian Keller, Till Zellweger, Florian M. Schenk, Christoph Weilenmann, Daniel Chelladurai, Vara Prasad Jonnalagadda, Ghazi Sarwat Syed, Vanessa Wood, Jürg Leuthold, Alexandros Emboras, Maksym Yarema, Mathieu Luisier   +14 more
wiley   +1 more source

Does fuel price volatility induce price instability in the agricultural commodity supply chain? Empirical evidence from Ghana

Journal of Agriculture and Food Research
Food price volatility has become a hot topic after the global food crisis of 2007/2008 and 2010/2011 due to the livelihood threat it poses, particularly to poor households.
Awura-Abena Amoah Osei, Seth Etuah, Fred Nimoh, Bright Owusu Asante, Isaac Abunyuwah, Nicholas Oppong Mensah   +5 more
doaj   +1 more source

The impact of commodity price volatility on fiscal balance and the role of real interest rate. [PDF]

Empir Econ, 2022
Majumder MK, Raghavan M, Vespignani J.
europepmc   +1 more source

Institutional Weakness and Stock Price Volatility [PDF]

We find an empirical regularity that stronger creditor protection reduces the volatility of stock market prices. We analyze two distinct mechanisms that characterize equity price volatility: government guarantees and creditor protection.
Assaf Razin, Galina Hale, Hui Tong
core