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Diminishing Returns in the Mining Industry - JSTOR

which the law of diminishing returns ap-plies to the mining industry, nor upon the way in which the rent of mines arises. Therefore, it is as yet extremely difficult to use these mining data as illustrative matter. * Assistant Professor of Economics, Western Re-serve University. 1 Infra, p. 26. 2 For clarity and convenience two controversial sub-

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The gold mining paradox: Gold mines make money, gold ...

Since its inception, the GDX has generated a dividend-adjusted total return of 10.5%, less than a 0.67% return per year for the last fifteen years. Over the same period, the gold price is up from ...

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germany quarry crusher 1

[randpic] multifractal returns in mining industry tambinh.nl multifractal returns in mining industry . quarry crusher in Jordan working methodology of pozzolana 200tph2 crusher plant in format ... Read the Article

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CDC - Mining Topic - Manual Materials Handling - NIOSH

The highest percentage of NFDLs occurs in the coal industry (36.5%), followed by stone (24.8%), metal (12.6%), nonmetal (7.6%), and sand & gravel (7.1%). Sprains or strains (49.1%, 816 injuries per year) are the leading type of NFDL injuries in mining for material handling with fracture, chip (13.8%, 2292 injuries per year) second, and cut ...

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a leading manufacturer of mining machinery - Expert Mining ...

nansen ball grinder. high end large gangue rock crusher manufacturer in guadalajara. hammer machinery canada. davao economic large glass jaw crusher. efficient environmental silicate stone crushing machine price in sapporo. multifractal returns in mining industry. ring granulator crusher in coal crushing unit.

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Through-cycle investment in mining | McKinsey

Mining industry outlook and context The mining industry's current context creates a need and an opportunity to address the sector's financing challenges. Prices have sharply declined since January 2020 in many commodities, including thermal coal, zinc, steel, copper, aluminum, lead, nickel, iron ore, and metallurgical coal. 8 8.

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Overview of the Multifractal Model of Asset Returns

Hye Woong Jeon Overview of Multifractal Model of Asset Returns

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A Guide to Canadian Mining Taxation - assets.kpmg

Global mining operates across a plethora of national, regional and local jurisdictions, most of which engage the mining industry with their own policies, regulations and taxes. When mining is in a rising commodity price cycle, as it was in the first decade of this century, governments tend to . raise mining taxes to capture a higher share of ...

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Top 10 business risks facing mining and metals - EY

3 Maximizing portfolio returns In the wake of higher commodity prices and rising cash flow, mining and metals companies are assessing where they should allocate capital to ensure higher future capital returns. A balanced approach to the portfolio is key. In addition to building or acquiring new mines,

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Multifractal analysis in mining microseismicity and its ...

q (the multifractal spectrum di-mension) and the occurrence of mining-induced microseismicity, applying a multifractal analysis to over 55.920 micro-earthquakes recorded between January 2006 and January 2009, in Creighton mine, Canada. The events with magnitudes M w ≥ 1.0 are considered as re-

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Alternative financing in metals & mining | McKinsey

Institutional investors, looking for higher returns, have increased their allocations to alternative classes over the past decade. Globally, some $8 trillion in assets under management are now dedicated to alternative financing. 5 Of this total, mining is a mere fraction, with alternative financing comprising $10 billion to $15 billion in annual mine financing, or less …

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(PDF) An expanded de Wijs model for multifractal analysis ...

Continuous multifractal analysis of results from the new model using the method of moments technique predicts that ore grades are multifractal (as in the original de Wijs model) but that ore ...

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A Multifractal Model of Asset Returns - Yale University

the mathematics of multifractal measures and processes. Section 4 applies the idea of multiscaling to nancial time series, and presents the Multifractal Model of Asset Returns. Section 5 concludes. This paper is the rst in a three paper series that introduces the concept of multifractality. YALE UNIVERSITY

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Self-similarity and multifractality in financial asset returns

indicate that the returns are multifractal. Keywords: scaling, self-similarity, multifractality, fat- tails, asset returns, security market. 1 Introduction Researchers have been investing scaling laws in finance and economics for a long time. The first example of …

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Mandelbrot's Multifractal Model of Asset Returns …

While rigorously presented in his 1997 paper, " A Multifractal Model of Asset Returns," a more practical detail is needed. In the paper, Mandelbrot details, "A new model for the pricing of an asset takes the following notation: X (t) = ln P (t) − ln P (0), and assume the following: Assumption 1. X (t) is a compound process:

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Multifractal analysis in mining microseismicity and its ...

According to the multifractal theory, the mining MS signals have smaller spectral width Δα (below 1.2) and Δf(α) (below 0.3) than the blasting signals (Δα above 1.2 and Δf(α) above 0.3).

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Pore size distributions and pore multifractal ...

The two groups of coal blocks were collected from Dongshan Coal Mine No. 7 coal seam (mining depth 840 m) in Jixi Basin and Baoqing Coal Mine No. 10 coal seam (mining depth 16.44 m) in Suibin ...

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Mining & Return on Investment - Glacier Media

definition of what is a return or cost will influence the calculation of ROI. In addition, given these and other factors, it is difficult to use as a meaningful comparator across industries, and even between different commodities in mining. In considering whether the mining industry has an ROI problem, you will

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Mine 2021: Great expectations, seizing tomorrow - PwC

The mining industry, which has been slow to embrace tax transparency, can no longer afford to remain silent. In order to impact tax policy, strengthen relationships with stakeholders and open the door to ESG investment, mining companies must do a better job of reporting on their tax policies, tax risk management and governance strategies ...

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Multifractality in Asset Returns: Theory and Evidence ...

Abstract. This paper investigates the multifractal model of asset returns (MMAR), a class of continuous-time processes that incorporate the thick tails and volatility persistence exhibited by many financial time series. The simplest version of the MMAR compounds a Brownian motion with a multifractal time-deformation. Prices follow a semi …

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Multifractal behavior in return and volatility series of ...

We applied MFDFA through the particular periods given in Fig. 1 for original, shuffled and surrogate time series, taking q varying between − 10 and 10, with a step of 0.4. Scale is s = 16, 19, 21, 25, …, 302; where 302 is the length of a sub-period with smallest number of observations.Additionally, we analyzed the multifractality in original return series using …