Function of Production, Capital, Labor and Government Policy in The Coal Mining Sector - Case Study of an Indonesian Coal Mining Company

International Journal of Innovation, Creativity and Change Pub Date : 2021-07-19 DOI:10.53333/ijicc2013/15933

Suryadi, Y. Nuraeni, I. Suryono, Y. Suwadji, Hennigusnia, Nur Siti Annazah, Zelius Ragilliawan

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Abstract

This study aims to determine the effect of labor, capital, and government policies on coal output and the scale of coal business results of PT Indo Tambangraya Megah Tbk. The new thing from this research is the Cobb-Douglas production function which usually uses labor and capital variables, but in this study, it has been expanded by adding policy variable in the form of Law No. 4 of 2009 regarding Mineral and Coal Mining, which is not yet present in other studies. The research method is linear regression using the Cobb-Douglas model function. The results showed that labor did not significantly influence coal production. Capital has a significant effect on model 2 and policy has a significant effect on model 3. The coal mining business of PT Indo Tambangraya Megah Tbk is in decreasing return to scale because if the three variables are combined, it will be worth -0.24. This condition occurs because the additional output produced is smaller than the additional input (δ% output

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煤矿行业生产、资本、劳动力和政府政策的功能——以印尼一家煤矿公司为例

本研究旨在确定劳动力、资本和政府政策对PT Indo tambanggraya Megah Tbk煤炭产量和煤炭经营成果规模的影响。本研究的新事物是Cobb-Douglas生产函数，该函数通常使用劳动力和资本变量，但在本研究中，通过以2009年关于矿物和煤炭开采的第4号法律的形式增加政策变量，对其进行了扩展，这在其他研究中尚未出现。研究方法是采用Cobb-Douglas模型函数进行线性回归。结果表明，劳动力对煤炭产量影响不显著。资本对模型2有显著影响，政策对模型3有显著影响。PT Indo tambanggraya Megah Tbk的煤炭开采业务规模回报递减，因为如果三个变量合并，它的价值将为-0.24。出现这种情况是因为产生的额外输出小于额外输入(δ%输出)

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International Journal of Innovation, Creativity and Change

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