Sponsored by Defense Threat Reduction Agency Contract DSWA01-98-C-0176 The Mine The cooperating mine was the Morenci Mine operated by Phelps-Dodge in SE Arizona. The scale of the operation is illustrated below. The mine produces over 25% of all US copper. Three to five blasts are detonated daily. During July and August, 31% of the events in the USGS Mine Event List were from this mine. Regional...

This paper concerns the stock pollution problem, such as the pollution of agricultural soil with heavy metals due to mining. Unlike the existing literature that examines the effects of natural pollution decay, this paper considers that the pollution stock is reversible only through capital investment. By examining the typical regulation that requires the mining firm to recover the disturbed lan...

The article presents the most important changes in strategic sector, which is hard coal mining, and shows effects of industry transformation. results research on COVID-19 pandemic functioning mine restructuring company Spółka Restrukturyzacji Kopalń S.A. (SRK S.A.), body whose main goal liquidation process, are presented. Restructuring activities have been carried out Polish mining since end 20...

Data mining represents an emerging technology area of great importance to homeland security. Data mining enables knowledge discovery on databases by identifying patterns that are novel, useful, and actionable. It has proven successful in many domains, such as banking, ecommerce, genomic, investment, telecom, web analysis, link analysis, and security applications. In this chapter, we will survey...

Prediction of the performance of international joint ventures remains a relatively underresearched area, yet its importance is well recognized due to the tremendous surge in joint venture activities in the past decade. Data on 1,463 Sino–Hong Kong joint ventures were gathered and those that appeared on the Honor Roll of the China Association of Enterprises with Foreign Investment are identified...

Unprecedented floods in 2014 caused huge consequences on Serbian lignite opencast mines, such as halt of coal production and damages the mining equipment. Three equipment revitalization options were urgently assessed to continue with mine Tamnava-West Field. This paper compares economic risks three investment for Field revitalization, based this experience probable risk a repeated event. The re...

In writing this paper I have benefited from comments by Dieter Gstach and Hansjörg Klausinger. All mistakes are mine. Abstract The aim of the paper is to give an overview over basic models of Post-Keynesian growth theory. Two major families of growth models are discussed, one developed by Joan Robinson, the other by Michal Kalecki. Both share an independent investment function that depends on i...

This work demonstrates the application of decision tree, a data mining tool, in the manufacturing system. Data mining has the capability for classification, prediction, estimation, and pattern recognition by using manufacturing databases. Databases of manufacturing systems contain significant information for decision making, which could be properly revealed with the application of appropriate d...

Mine water is normally considered as waste that has to be managed. However, new applications are increasingly being sought for the floods mining voids, especially in relation its use an energy resource. The worldwide market, within current transition framework, searching creative approaches produce and store clean energy. In particular, underground pumped hydroelectric storage systems (UPHS) co...

We consider an auction-theoretic model of the labour market to study hold-up problems in markets with frictions. Firms have to invest in capital before they can advertise a job, while unemployed workers apply for jobs by bidding in auctions. This non-cooperative application procedure generates a distribution of applicants across jobs, and our aim is to investigate how the competition among appl...