Executive Summary This chapter reviews the empirical economics literature on the impact of trade liberalization on firms' innovation-related outcomes. We define and examine four types of shocks to trade flows: import competition, export opportunities, access to imported intermediates, and foreign input competition. Our review reveals interesting …
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— Worldwide mining operations are as much as 28 percent less productive today than a decade ago, according to new McKinsey research. The results from McKinsey's new MineLens Productivity Index (MPI), …
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— Productions of these three metals generate large quantities of waste during processing, particularly the gold production which is estimated to release 99% of the extracted ore as waste 36.
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— The Eastern Desert in Egypt is a significant gold-mining region, and its gold mine is one of the world's oldest. The presence of tailings and slag piles in the vicinity of historical mining sites can give rise to environmental risks for the surrounding soil, water, and air. These hazards primarily result from erosion and the interaction between these …
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— The copper (Cu) mining and mineral processing industry plays a vital role in economic development and job creation in addition to supplying invaluable resources for modern civilization (Farjana et al., 2019).Most importantly, this sector must meet the growing demand for primary Cu, even as society achieves greater efficiency by reducing …
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doré, which includes 9.43E+07g gold and 1.23E+08g silver. Likewise, mercury, as a co-product is considered, with a production amount of 5.99E+07g. The goal is to define the baseline through the environmental impact's identification of a large-scale gold mine, in order to stablish potential intervention measures.
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— The study of gold sites in the Migori Gold Belt, Kenya, revealed that the concentrations of heavy metals, mainly Hg, Pb and As are above acceptable levels.
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— In the digital transformation era, digitalization integrates deeply into production, bolstering output efficiency and economic value. Through stochastic frontier analysis (SFA), this research positions digitalization as an input in the production function, dissecting its elasticity impact on capital, labor, and output. The effect of digitalization on …
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— Global miner BHP Group said on Tuesday its second-quarter iron ore production fell 9 percent and flagged a $600 million negative impact due to production disruptions at its copper and iron ore ...
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— With regard to gold consumption, the amount of gold bought in China rose steadily over the past several years from around 204.5 tons in 2002 to 832.18 tons in 2012. Among the various forms of gold jewellery in China, fine gold is the most popular, with 24 K gold accounting for more than 80% of the gold jewellery sold in the country.
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— Where i denotes farmers and Y i is an explanatory variable that includes the cost, output value, profit and rate of return per hectares for the total crop, grain crop and cash crop. x i refers to the level of agricultural mechanization, C i is a control variable, μ i is random perturbation term, and α 0, β 0 and δ i are parameters to be estimated.. There …
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— Life Cycle Assessment (LCA) is a methodology that is widely used to assess the environmental impacts of products and materials (Norgate, 2001; Norgate et al., 2007; Van Genderen et al., 2016).The environmental impacts per unit (kilogram) metal production (steel, aluminum, zinc and lead, among others) have been analyzed by various authors …
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— The conditions of declining gold grade in the ore, increasing depth of excavation, and de-creasing unallocated stock of deposits make it necessary to develop efficient solutions for the mine-to-mill process, which have to be adapted to each specific mining plant and will optimizes production costs. Current research focuses on a case …
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— Assessing the environmental impact of gold production from double refractory ore in a large-scale facility Sci Total Environ . 2023 Dec 20:905:167841. doi: …
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— Simulating the Impact of Ore Competence Variability on Process Performance -Case Study of A Large Copper Mine September 2019 Conference: SAG Conference 2019 - SAG2019
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— The ore that contains high levels of metals also generates high levels of waste contain high levels of metals, for example, the ratio of copper content to waste in a good grade copper ore sometimes is only 1:4 and similarly, the ratio of gold content to waste of a good grade gold ore may sometimes be only 1:100 or more. (e)
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— And it's a neurotoxin, so you don't see the impact right away. It actually has a much more insidious impact over many years. Mercury pollution across China is widely documented. With cyanide, it's different. Cyanide has an immediate impact, but it's not biopersistent. Cyanide can actually decompose in sunlight.
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— Gold ore from the mine site is a typical double-refractory ore containing sulfide and ... the CIL stage, consuming sodium cyanide as the main reagent, showed …
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— Worldwide mining operations are as much as 28 percent less productive today than a decade ago, according to new McKinsey research. The results from …
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— Rising productivity, alongside exploration, is the principal means by which mining can combat resource depletion. Over the past one hundred and fifty years, the mining industry has been remarkably successful in growing its productivity. However, since 2000, there are signs of a slowdown. Some aspects of this are clearly cyclical but there …
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— Based on this figure, it appears that the potential for structural change to contribute to labor productivity growth was large when China started economic reforms four decades ago. Download: Download high-res image (513KB ... The impact of China's economic reforms on agricultural productivity growth. Journal of Political Economy, 97 …
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— Table 1 depicts the ranking of the top ten gold producers in the world in 2021. China has been the leading gold producer in the world, with a total production of 368 …
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— This model concluded that large pieces of the rock greatly reduced the production power and performance of the shovel. ... J. Comminution circuits for gold ore processing. In Gold Ore Processing; …
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— China's iron ore imports dropped in 2021, down 4.3% from the previous year's record annual high, as steel production curbs imposed to combat pollution dented demand and pulled prices of the key ...
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— Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios: …
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18 October, 2018. China's gold mining industry is one of the largest in the world – with growing influence both at home and abroad. Zhang Yongtao, Vice Chairman and …
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— 3. From 'artisanal' to 'small-scale' gold mining in Kamituga. Prior to 2011, all gold in Kamituga was crushed manually by workers, mainly women known as mamans twangaises, who were busy pounding the pieces of stone 5 from the pits in a mortar or on a large stone. This in turn required significant time and money to transport the stone from …
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— The report also explains the impact of COVID-19 on China's iron ore demand and trade. China's iron ore production is the fifth-largest globally and is forecast to decline by 2% in 2020 to 114 ...
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— In addition, between 2014-2017, Kumtor has produced 2.192 million ounces, or 68.5 tons of gold with annual productivity of more than 544 thousand ounces, or 17 tons of gold mine (Kumtor Gold Mine ...
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— Generative AI's impact on productivity could add trillions of dollars in value to the global economy. Our latest research estimates that generative AI could add the equivalent of $2.6 trillion to $4.4 trillion annually across the 63 use cases we analyzed—by comparison, the United Kingdom's entire GDP in 2021 was $3.1 trillion.
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