Abstract
Copper mining activities have a huge importance for both the Peruvian economy and the world. Then, it is important to analyze how mining companies face productivity to stay afloat in the competitive world market. For this reason, Peruvian mining companies were analyzed in the 2016-2019 period by employing the Malmquist index as well as its decomposition. Two-year, three-year, and four-year intervals were used for a better understanding of the results. It was found that the major determinants for productivity change was technical efficiency change and technological switch.
Highlights
IntroductionSince 8000 B.C. cooper was employed in coins and ornaments (Doebrich, 2009)
Cooper was probably the first metal ever used by humankind
It was necessary to follow Périco et al (2017) methodological steps to get Malmquist index since as stated before it is linked to DEA efficiency analysis
Summary
Since 8000 B.C. cooper was employed in coins and ornaments (Doebrich, 2009). Cooper is harnessed in building construction, industrial machinery, vehicles and electronic devices (Doebrich, 2009). Copper is a good electrical conductor; plenty of electronic devices employ cooper pieces because of its transmission properties (Del Águila et al, 2017). A cooper global supply chain was established (PwC, 2019). In the first class is located countries such as the United States, India and China which demands the major part of global cooper supply (Doebrich, 2009). China consumes and demand more than 50% of the cooper world supply (Bing et al, 2019). Peru and Chile are the major cooper suppliers to the world (Fundación Chile, 2018)
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