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<strong>Summer</strong> <strong>Course</strong>:<br />

<strong>Introduction</strong> <strong>to</strong> <strong>Econometric</strong> <strong>Production</strong><br />

<strong>Analysis</strong> with R<br />

Arne Henningsen<br />

University of Copenhagen<br />

<strong>Introduction</strong><br />

This one-week intensive course is designed for MSc students, PhD students, and any other<br />

persons who are interested in learning econometric production analysis. The participants will<br />

learn <strong>to</strong> analyse production technologies and producer behaviour by applying microeconomic<br />

production theory and econometric methods. The course will brush up and deepen the participants’<br />

knowledge in microeconomic production theory but it will focus on the application of<br />

these methods and the interpretation of the estimation results using various hands-on exercises.<br />

Intended Learning Outcomes<br />

Knowledge about production technologies and producer behaviour is important for politicians,<br />

business organizations, government administrations, financial institutions, the EU, and other<br />

national and international organizations who desire <strong>to</strong> know how contemplated policies and<br />

market conditions can affect production, prices, income, and resource utilization in agriculture<br />

as well as in other industries. The same knowledge is relevant in consultancy of single firms who<br />

also want <strong>to</strong> compare themselves with other firms and their technology with the best practice<br />

technology. The participants of this course will obtain relevant qualifications in econometric<br />

production analysis so that they can contribute <strong>to</strong> the knowledge about production technologies<br />

and producer behaviour. After completing the course the students should be able <strong>to</strong>:<br />

• use econometric production analysis and efficiency analysis <strong>to</strong> analyse various real-world<br />

questions,<br />

• interpret the results of econometric production analyses and efficiency analyses,<br />

• choose a relevant approach for econometric production and efficiency analysis, and<br />

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• critically evaluate the appropriateness of a specific econometric production analysis or<br />

efficiency analysis for analysing a specific real-world question.<br />

<strong>Course</strong> Prerequisites<br />

The participants are expected <strong>to</strong> have a basic knowledge of microeconomic production theory<br />

(e.g. technology set, production function, isoquant, cost function, marginal product, partial<br />

output elasticity, elasticity of scale, marginal rate of technical substitution, elasticity of<br />

substitution), econometrics (e.g. ordinary least squares, hypothesis tests), and mathematics<br />

(e.g. logarithms, partial derivatives). Furthermore, some experience with econometric software<br />

(particularly R) is helpful. Students who are lacking knowledge in some of these <strong>to</strong>pics are<br />

encouraged <strong>to</strong> fill their knowledge gaps before the course.<br />

Students should bring a lap<strong>to</strong>p computer with R (http://www.r-project.org) and RStudio<br />

(http://www.rstudio.org) installed <strong>to</strong> the course.<br />

<strong>Course</strong> Schedule<br />

Monday morning<br />

• welcome<br />

• introduction <strong>to</strong> the course<br />

• brush-up: production functions and their properties<br />

• preparing data for econometric production analysis<br />

• introduction of the main data set used in the course<br />

• brief introduction <strong>to</strong> R and RStudio<br />

• calculation of variables needed for the analysis<br />

Monday afternoon<br />

• partial productivities<br />

• <strong>to</strong>tal fac<strong>to</strong>r productivities<br />

• linear production function<br />

– specification<br />

– estimation<br />

– observed and predicted output quantities<br />

– marginal products<br />

– partial output elasticities<br />

– elasticities of scale<br />

– optimal firm size<br />

– consistency with microeconomic theory<br />

– marginal rates of technical substitution<br />

2


Tuesday morning<br />

• Cobb-Douglas production function<br />

– specification<br />

– estimation<br />

– observed and predicted output quantities<br />

– marginal products<br />

– partial output elasticities<br />

– elasticities of scale<br />

– optimal firm size<br />

– consistency with microeconomic theory<br />

– marginal rates of technical substitution<br />

– relative marginal rates of technical substitution<br />

Tuesday afternoon<br />

• elasticities of substitution in case of two inputs<br />

• elasticities of substitution in case of more than two inputs<br />

• elasticities of substitution in linear production functions<br />

• elasticities of substitution in Cobb-Douglas production functions<br />

Wednesday morning<br />

• Translog production function<br />

– specification<br />

– estimation<br />

– observed and predicted output quantities<br />

– marginal products<br />

– partial output elasticities<br />

– elasticities of scale<br />

– optimal firm size<br />

– consistency with microeconomic theory<br />

– comparison <strong>to</strong> Cobb-Douglas functional form<br />

Wednesday afternoon<br />

• profit maximisation<br />

• checking conditions for profit maximisation<br />

• cost minimisation<br />

• checking conditions for cost minimisation<br />

• derived input demand functions and output supply functions<br />

• derived price elasticities of input demand and output supply<br />

3


Thursday morning<br />

• cost functions and their properties<br />

• Shepard’s lemma<br />

• Cobb-Douglas cost function<br />

– specification<br />

– estimation<br />

– marginal costs<br />

– cost flexibility, elasticity of size, and elasticity of scale<br />

– consistency with microeconomic theory<br />

Thursday afternoon<br />

• Cobb-Douglas cost function (continued)<br />

– imposing homogeneity in input prices<br />

– derived input demand functions<br />

– derived input demand elasticities and their properties<br />

– marginal costs, average costs and <strong>to</strong>tal costs curve<br />

• short-run cost functions<br />

• Translog cost functions<br />

Friday morning<br />

• s<strong>to</strong>chastic frontier analysis<br />

• error components frontier<br />

• s<strong>to</strong>chastic frontier production function<br />

• measuring technical (in)efficiency<br />

• Cobb-Douglas s<strong>to</strong>chastic frontier production function<br />

• Translog s<strong>to</strong>chastic frontier production function<br />

• efficiency effects s<strong>to</strong>chastic production frontier<br />

• Cobb-Douglas efficiency effects s<strong>to</strong>chastic production frontier<br />

• s<strong>to</strong>chastic cost frontiers<br />

Friday afternoon<br />

• technical change<br />

• decomposition of changes of <strong>to</strong>tal fac<strong>to</strong>r productivity<br />

• summing up<br />

• farewell<br />

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<strong>Course</strong> Literature<br />

• Chambers, RG (1988): Applied <strong>Production</strong> <strong>Analysis</strong> – A Dual Approach, Cambridge<br />

University Press.<br />

• Henningsen, A (2012): <strong>Introduction</strong> <strong>to</strong> <strong>Econometric</strong> <strong>Production</strong> <strong>Analysis</strong> with R, unpublished<br />

lecture notes, University of Copenhagen (will be provided <strong>to</strong> the participants<br />

as PDF file).<br />

Assessment, Work Load, and ECTS<br />

The participants will get a (voluntary) homework assignment that they can send <strong>to</strong> the teacher<br />

no later than four weeks after the course. In case of a positive assessment of the homework<br />

assignment, the participants will get a certificate that they passed this MSc-level course and<br />

that it had a work load of 70 hours, which corresponds <strong>to</strong> 2.5 ECTS credit points.<br />

PhD students can alternatively choose <strong>to</strong> write a short paper, where they analyse an own<br />

data set with the methods that they learned in the course. If they send the paper <strong>to</strong> the<br />

teacher no later than three months after the course and their paper is positively assessed, they<br />

will get a certificate that they passed this PhD-level course and that it had a work load of<br />

170 hours, which corresponds <strong>to</strong> 6 ECTS credit points.<br />

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