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Application of Non-Linear cobb-douglas Production Function with Autocorrelation Problem to Selected Manufacturing Industries in Bangladesh

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Open Journal of Statistics 2013年第3期3卷 173-178页

作者： Md. Moyazzem Hossain Tapati Basak Ajit Kumar Majumder Department of Statistics Islamic University Kushtia Bangladesh Department of Statistics Jahangirnagar University Dhaka Bangladesh

In developing counties, efficiency of economic development has been determined by the analysis of industrial production. An examination of the characteristic of industrial sector is an essential aspect of growth studies. The growth of a country can be measured by Gross Domestic Product (GDP). GDP is substantially affected by the industrial output. Industrial gross output is mainly a function of capital and labor input. If the effect of labor and capital input to output is at a satisfactory level in an industry or in a group of industries, then industrial investment will increase. As a result, the number of industries will increase, which will directly affect GDP and also will decrease the unemployment rate. This is why, industrial input-output relationship is so important for any industry as well as for the overall industrial sector of a country. To forecast the production of a firm is necessary to identify the appropriate model. MD. M. Hossain et al. [1] have shown that cobb-douglas production function with additive errors was more suitable for some selected manufacturing industries in Bangladesh. The main purpose of this paper is to detect the autocorrelation problem of cobb-douglas production model with additive errors. The result shows that autocorrelation is presented in some manufacturing industries. Finally, this paper removes the autocorrelation problem and re-estimates the parameters of the cobb- douglas production function with additive errors.

关键词： cobb-douglas Production Function Autocorrelation Manufacturing Industry Bangladesh

基于cobb-douglas函数的科技金融和科技型创业企业耦合的价值判断

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社会科学家 2019年第11期34卷 61-66页

作者：朱波强蔡洪文杨建飞攀枝花学院经济与管理学院四川攀枝花617000 西北大学经济管理学院陕西西安710127

在"双创"的大背景下,科技型创业企业离不开科技金融的支持,同时科技型创业企业的蓬勃发展也会促进科技金融的发展,二者的相互促进和共同发展是在二者耦合状态下有序展开的,它们耦合的前提是投资价值。文章首先分析了二者耦合的必要性、... 详细信息

在"双创"的大背景下,科技型创业企业离不开科技金融的支持,同时科技型创业企业的蓬勃发展也会促进科技金融的发展,二者的相互促进和共同发展是在二者耦合状态下有序展开的,它们耦合的前提是投资价值。文章首先分析了二者耦合的必要性、可行性及智力资本和金融资本耦合的cobb-douglas特性,在此基础上运用实物期权理论研究它们耦合的期权价值,并指出只有耦合具有投资价值和合理比例关系时科技金融和科技型创业企业才有可能相互投资并产生耦合。

关键词：科技金融科技型创业企业耦合 cobb-douglas 实物期权

我国服务业效率的测度研究——基于cobb-douglas生产函数

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时代金融 2016年第32期 18-20页

作者：刘洪骏中国人民银行普洱市中心支行云南普洱665000

现代服务业是国民经济的重要组成部分,也是现代产业体系的重要内容,在稳增长、促就业、调结构中正发挥着越来越重要的作用。发达的服务业是推进结构转型升级、经济高速增长的重要动力。'十二五'期间我国服务业发展成绩斐然,对GDP增长的... 详细信息

现代服务业是国民经济的重要组成部分,也是现代产业体系的重要内容,在稳增长、促就业、调结构中正发挥着越来越重要的作用。发达的服务业是推进结构转型升级、经济高速增长的重要动力。'十二五'期间我国服务业发展成绩斐然,对GDP增长的贡献逐年上升,2015年,服务业占据百分之五十以上的比重,服务经济在国民经济体系中的主导地位确定,成为新常态下中国经济增长的新动力。中国服务业一直保持着良好的发展态势。

关键词：服务业发展 GDP TFP cobb-douglas 生产函数资本存量服务业增加值规模报酬不变

修正的cobb-douglas生产函数用于测定技术进步率的进一步研究

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华东经济管理 1997年第4期11卷 62-64页

作者：余宏钱士茹上海大学

修正的Ｃｏｂｂ—Ｄｏｕｇｌａｓ生产函数用于测定技术进步率的进一步研究□余宏钱士茹用于度量技术进步的Ｃｏｂｂ－Ｄｏｕｇｌａｓ生产函数模型是建立在一组假设之上的，实际中与这种假设相违背的情况经常出现，度量的结论无法从经济... 详细信息

修正的Ｃｏｂｂ—Ｄｏｕｇｌａｓ生产函数用于测定技术进步率的进一步研究□余宏钱士茹用于度量技术进步的Ｃｏｂｂ－Ｄｏｕｇｌａｓ生产函数模型是建立在一组假设之上的，实际中与这种假设相违背的情况经常出现，度量的结论无法从经济意义上加以解释，暴露了模型自身的缺...

关键词： cobb-douglas 生产函数技术进步率

煤炭企业的生产函数构建——基于改进的cobb-douglas生产函数的视角

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价值工程 2020年第21期39卷 74-76页

作者：潘桦李红强中国农业银行重庆大渡口支行重庆400084 中国农业银行重庆大渡口美每家支行重庆400084

随着供给侧改革的持续推进,影响煤炭企业产出的资本、劳动和技术等传统变量所带来的规模报酬呈现加速递减趋势。同时,煤炭企业受储煤量和开采技术及自然地址条件等限制,产出量呈现明显的生命周期特征。本文以煤炭企业为研究样本,在回顾... 详细信息

随着供给侧改革的持续推进,影响煤炭企业产出的资本、劳动和技术等传统变量所带来的规模报酬呈现加速递减趋势。同时,煤炭企业受储煤量和开采技术及自然地址条件等限制,产出量呈现明显的生命周期特征。本文以煤炭企业为研究样本,在回顾传统cobb-douglas生产函数和我国煤炭企业生产函数研究成果的基础上,指出影响煤炭企业产出的主要因素包括资金(K)、劳动(L)、矿山储量(W)以及技术进步状况(At)和自然地址条件优劣程度(Et),最后分析了上述要素的相关关系并讨论了在煤炭企业生命周期内,各要素对产出的贡献情况。

关键词：煤炭企业 cobb-douglas 生产函数

Sensitivity analysis of energy inputs and economic evaluation of pomegranate production in Iran

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Information Processing in Agriculture 2018年第1期5卷 114-123页

作者： Mehdi Esmailpour Troujeni Mehdi Khojastehpour Adel Vahedi Bagher Emadi Department of Biosystems Engineering Ferdowsi University of MashhadMashhadIran Agricultural Engineering Research Institute(AERI) Agricultural Research Education and Extension Organization(AREEO)KarajIran

The aim of this research was to investigate the energy use and costs of pomegranate production in Behshahr city(Mazandaran province)of *** required data were gathered by questionnaire and face to face interviews with 83 pomegranate ***-douglas model and sensitivity analysis were employed for energy flows modeling of the production *** total energy inputs and energy output of production were determined to be 11195.06 and 13276.56 MJ ha1,and two inputs of diesel fuel and chemical fertilizers with the shares of 45.81 and 23.47%,were the highest energy consumers for pomegranate *** use efficiency,energy productivity and net energy were 1.18,2081.50 MJ ha1 and 0.62 kg MJ1,*** results of cobb-douglas model showed that the effect of the energy inputs including human labor,biocides,chemical fertilizers,farmyard manure,electricity and water for irrigation on pomegranates yield were positive,while the effects of diesel fuel and agricultural machinery were negative on the pomegranate *** sensitivity analysis results of energy inputs showed that with the increase of one MJ in the energy input of water for irrigation and chemical fertilizers,the yield was increased to 3.12 and 1.42 kg,*** with the increase of one MJ in diesel fuel and agricultural machinery inputs,the yield was decreased to 0.67 and 0.47 kg,*** fuel as the most used energy input in the production accounted for 0.85%of variable costs and the benefit to cost ratio was determined to be 5.57.

关键词： Benefit to cost cobb-douglas Energy modeling Energy pattern Pomegranate

我国大中型工业企业研究与开发费用支出对产出的影响——1990—2000年大中型工业企业数据的实证分析

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经济科学 2003年第3期 5-11页

作者：何玮南京大学商学院江苏210093

我国大中型工业企业的研发能力对我国整个国民经济的发展都有着重要影响 ,其研究与开发费用支出对产出的影响是反映研发能力的一个重要方面 ,本文利用 cobb- douglas生产函数对其作实证分析 ,检验当年以及滞后几年的研发投入对企业产出... 详细信息

我国大中型工业企业的研发能力对我国整个国民经济的发展都有着重要影响 ,其研究与开发费用支出对产出的影响是反映研发能力的一个重要方面 ,本文利用 cobb- douglas生产函数对其作实证分析 ,检验当年以及滞后几年的研发投入对企业产出产生的影响 ,分析我国大中型工业企业的研发费用的投入对企业经济效益和可持续发展的影响。

关键词：中国大中型工业企业研究开发费用产出弹性经济效益 cobb-douglas 生产函数

An Assessment of Determinants Responsible for Low Mango Productivity in District Muzzafargarh, Pakistan

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Journal of Food Science and Engineering 2017年第8期7卷 400-405页

作者： Pomi Shahbaz Shamsheerul Haq Ismet Boz Ramiz Murtaza Department of Agricultural Economics Ondokuz Mayts University Samsun 55139 Turkey Department of Agriculture Economics University of Agriculture Faisalaba 38000 Pakistan

Mango which is also known as the king of fruits in the country is the second largest growing fruit after citrus in Pakistan. Although mango is being grown in more than hundred countries none of them is comparable to Pakistani mango which is famous for its unique taste all over the world. Pakistan＇s per hectare production is much lower than its potential. The purpose of this study was to assess those factors which are preventing mango growers from getting its potential yield. For this major mango producing area, Muzzaffargarh was selected. The 110 randomly selected farmers were interviewed with a well-designed questionnaire. The mango growers were divided into three categories on the basis of landholding. The cobb-douglas model was used to assess the effect of different factors on the productivity. The education level and age of large farmers was found highest among small and medium farmers. Large farmers were enjoying significant high profit per acre with US$519.58 as compared to medium farmers （US$454.15） and small farmers （US$395.10）. The independent variables were explaining almost 89 percent variation in productivity of mango. The significant positive effect of orchard experience, access to extension services, the quantity of NPK, quantity of pesticides and labour cost was found. The age and intercropping practices in mango orchard had a significant negative effect on mango production. Credit facilities must be made available at lower interest rate and the range of extension services must be enhanced to increase the productivity of mango.

关键词： Mango productivity determinants of productivity cobb-douglas Muzzafargarh orchard

A Growth Framework Using the Constant Elasticity of Substitution Model

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Journal of Applied Mathematics and Physics 2017年第11期5卷 2183-2195页

作者： Prabir Bhattacharya Department of Computer Science Morgan State University Baltimore MD USA

Some results in growth theory based on the cobb-douglas production function model are generalized when the production function is chosen to be the Constant Elasticity of Substitution (CES) function. Such a generalization is of considerable interest because it is known that the cobb-douglas function cannot be used as a suitable model for some production technologies (like the US economy and climate changes). It is shown that in the steady state the growth rate of the output is equal to the Solow residual and that the capital deepening term becomes zero. The CES function is a homogeneous function of degree two and a result is obtained on the wage of a worker using the Euler’s theorem.

关键词： CES Function cobb-douglas Function Growth Equation Solow Residual Factor of Productivity Capital Deepening Term