Results 21 to 30 of about 1,008,563 (288)
Simultaneous optimization of cut-off grade and capacity of mineral processing plant [PDF]
مجله مدل سازی در مهندسی, 2017 Cut-off grade and capacity of processing plant are two factors influencing the design and the feasibility study of mine and calculation of these two plays an important role in mining economy. The main purpose of this study is to optimize the cut of grade
Farzam Saffariyan +2 more
doaj +1 more source
Consistent Price Systems under Model Uncertainty [PDF]
, 2014 We develop a version of the fundamental theorem of asset pricing for discrete-time markets with proportional transaction costs and model uncertainty.
Bouchard, Bruno, Nutz, Marcel
core +3 more sources
Money and Prices Under Uncertainty [PDF]
The Review of Economic Studies, 2005 Summary: Prior research has uncovered a large and positive correlation between education and health. This paper examines whether education has a causal impact on health. I follow synthetic cohorts using successive U.S. censuses to estimate the impact of educational attainment on mortality rates.
Tomoyuki Nakajima +1 more
openaire +3 more sources
Carbon pricing under uncertainty [PDF]
International Tax and Public Finance, 2021 AbstractEconomists have adopted the Pigouvian approach to climate policy, which sets the carbon price to the social cost of carbon. We adjust this carbon price for macroeconomic uncertainty and disasters by deriving the risk-adjusted discount rate. We highlight ethics- versus market-based calibrations and discuss the effects of a falling term structure
openaire +1 more source
Sequential Investment in Site-Specific Crop Management under Output Price Uncertainty
Journal of Agricultural and Resource Economics, 2001 An option-value model is developed to analyze the impacts of output price uncertainty, high sunk costs of adoption, and site-specific conditions on the optimal timing of adoption of two interrelated site-specific technologies, soil testing and variable ...
Murat Isik +2 more
doaj +1 more source
The effects of oil price uncertainty on economic activities in South Africa
Cogent Economics & Finance, 2018 This paper investigates the link between oil price uncertainty shocks and key macroeconomic indicators of a net oil importing country, South Africa. Monthly data covering the period 1990:01 to 2015:12 is used.
Junior T. Chiweza, Goodness C. Aye
doaj +1 more source
Animal, 2015 Breeding programmes for livestock require economic weights for traits that reflect the most profitable animal in a given production system, which affect the response in each trait after selection. The profitability of sheep production systems is affected
G. Rose +4 more
doaj +1 more source
Price Variance in Hybrid-LCA Leads to Significant Uncertainty in Carbon Footprints
Frontiers in Sustainability, 2021 Hybrid Life Cycle Assessment (HLCA) methods attempt to address the limitations regarding process coverage and resolution of the more traditional Process- and Input-Output Life Cycle Assessments (PLCA, IOLCA).
Arthur Jakobs +2 more
doaj +1 more source
How does oil price uncertainty affect output in the Central and Eastern European economies? – the Bayesian-based approaches [PDF]
Applied Economic Analysis, 2023 Purpose – This paper aims to investigate how oil price uncertainty affects real gross domestic product (GDP) and industrial production in eight Central and Eastern European countries (CEEC).
Dejan Živkov, Jasmina Đurašković
doaj +1 more source
Dynamic co-movements of stock market returns, implied volatility and policy uncertainty [PDF]
, 2013 We examine time-varying correlations among stock market returns, implied volatility and policy uncertainty. Our findings suggest that correlations are indeed time-varying and sensitive to oil demand shocks and US recessions.
Antonakakis, N. +2 more
core +1 more source