Results 11 to 20 of about 694,694 (360)

Media optimization for economic succinic acid production by Enterobacter sp. LU1.

open access: yesAMB Express, 2017
Enterobacter sp. LU1 could efficiently convert glycerol to succinic acid under anaerobic conditions after the addition of lactose. In this study, media constituents affecting both Enterobacter sp.
Marcin Podleśny   +5 more
doaj   +1 more source

Concentration of mercury in muscles of predatory and non-predatory fish from lake Pluszne (Poland)

open access: yesJournal of Veterinary Research, 2016
Introduction: The study examined the concentration of total mercury and correlation coefficients between fish size or FCF (condition factor) and the content of Hg in muscle tissue of six freshwater fish: bream (Abramis brama L.), roach (Rutilus rutilus L.
Łuczyńska Joanna   +3 more
doaj   +1 more source

Price Transmission: The Case of the UK Dairy Market

open access: yesCommodities, 2023
The UK milk market has faced major economic difficulties over the last 20 years, seeing the smallest milk producers exit the industry. The key objective of this study is to examine price transmission within the UK milk market to understand the market’s ...
Rachel Rose, Dimitrios Paparas
doaj   +1 more source

Innovation and Drivers of Productivity: A Global Analysis of Selected Critical Minerals

open access: yesCommodities, 2023
Innovation and technology are important tools for delivering efficiency and productivity improvement in the minerals sector. The uptake of technologies has proven to be an important lever for increasing the productivity of the mining sector.
Shabbir Ahmad
doaj   +1 more source

Commodity Connectedness [PDF]

open access: yesSSRN Electronic Journal, 2017
We use variance decompositions from high-dimensional vector autoregressions to characterize connectedness in 19 key commodity return volatilities, 2011-2016. We study both static (full-sample) and dynamic (rolling-sample) connectedness. We summarize and visualize the results using tools from network analysis.
Diebold, Francis X.   +2 more
openaire   +2 more sources

Jet Fuel Price Risk and Proxy Hedging in Spot Markets: A Two-Tier Model Analysis

open access: yesCommodities, 2023
This paper applies a two-tier model based on fuel hedging (model 1) and the testing of the impact of commodity risk on airline capacity forecasting, which is based on a system dynamics framework (model 2).
Eyden Samunderu
doaj   +1 more source

An Event Study of the Ethereum Transition to Proof-of-Stake

open access: yesCommodities, 2023
On 15 September 2022, the Ethereum network adopted a proof-of-stake (PoS) consensus mechanism. We study the impact on the network and competing platforms in a two month event window around the Beacon chain merge.
Elie Kapengut, Bruce Mizrach
doaj   +1 more source

The Future of Commodities

open access: yesCommodities, 2023
Asset markets have long contained a section devoted to commodities, breaking them into «soft», «grains», «metals», «energy», etc [...]
Julien Chevallier
doaj   +1 more source

A model of financialization of commodities [PDF]

open access: yes, 2016
We analyze how institutional investors entering commodity futures markets, referred to as the financialization of commodities, affect commodity prices. Institutional investors care about their performance relative to a commodity index.
Basak, S, Pavlova, A
core   +2 more sources

On the complexity of the multiple stack TSP, kSTSP [PDF]

open access: yes, 2009
The multiple Stack Travelling Salesman Problem, STSP, deals with the collect and the deliverance of n commodities in two distinct cities. The two cities are represented by means of two edge-valued graphs (G1,d2) and (G2,d2).
A. Allahverdi   +5 more
core   +3 more sources

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