Engineering economics (civil engineering)

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Main articles: Capital budgeting, Civil engineering, Cost accounting, Infrastructure and economics, and Microeconomics

The study of Engineering Economics in Civil Engineering, also known generally as engineering economics, or alternatively engineering economy, is a subset of economics, more specifically, microeconomics. It is defined as a "guide for the economic selection among technically feasible alternatives for the purpose of a rational allocation of scarce resources."[1] Its goal is to guide entities, private or public, that are confronted with the fundamental problem of economics.[2]

This fundamental problem of economics consists of two fundamental questions that must be answered, namely what objectives should be investigated or explored and how should these be achieved? Economics as a social science answers those questions and is defined as the knowledge used for selecting among "...technically feasible alternatives for the purpose of a rational allocation of scarce resources."[1] Correspondingly, all problems involving "...profit-maximizing or cost-minimizing are engineering problems with economic objectives and are properly described by the label "engineering economy".[3]

As a subdiscipline practiced by civil engineers, engineering economics narrows the definition of the fundamental economic problem and related questions to that of problems related to the investment of capital, public or private in a broad array of infrastructure projects. Civil engineers confront more specialized forms of the fundamental problem in the form of inadequate economic evaluation of engineering projects. [4] Civil engineers under constant pressure to deliver infrastructure effectively and efficiently confront complex problems associated with allocating scarce resources for ensuring quality, mitigating risk and controlling project delivery. Civil engineers must be educated to recognize the role played by engineering economics as part of the evaluations occurring at each phase in the project lifecycle.[4]

Thus, the application of engineering economics in the practice of civil engineering focuses on the decision-making process, its context, and environment in project execution and delivery.[5][6] It is pragmatic by nature, integrating microeconomic theory with civil engineering practice [5] but, it is also a simplified application of economic theory in that it avoids a number of microeconomic concepts such as price determination, competition and supply and demand.[5]

This poses new, underlying economic problems of resource allocation for civil engineers in delivering infrastructure projects and specifically, resources for project management, planning and control functions.

Civil engineers address these fundamental economic problems using specialized engineering economics knowledge as a framework for continuously "... probing economic feasibility...using a stage-wise approach..." throughout the project lifecycle.[4] The application of this specialized civil engineering knowledge can be in the form of engineering analyses of life-cycle cost, cost accounting, cost of capital and the economic feasibility of engineering solutions for design, construction and project management.[4] The civil engineer must have the ability to use engineering economy methodologies for the "formulation of objectives, specification of alternatives, prediction of outcomes" and estimation of minimum acceptability for investment and optimization.[7]

They must also be capable of integrating these economic considerations into appropriate engineering solutions and management plans that predictably and reliably meet project stakeholder expectations in a sustainable manner.

The civil engineering profession provides a special function in our society and economy where investing substantial sums of funding in public infrastructure requires "...some assurance that it will perform its intended function."[8]

Thus, the civil engineer exercising their professional judgment in making decisions about fundamental problems relies upon the profession's knowledge of engineering economics to provide "the practical certainty" that makes the social investment in public infrastructure feasible.[8]

## Course of Instruction

[edit]

Historically, coursework and curricula in engineering economics for civil engineers has focused on capital budgeting: "...when to replace capital equipment, and which of several alternative investments to make.[3]

## Journals

[edit]

* The Engineering Economist \- published jointly by the Engineering Economy Division of the American Society of Engineering Education (ASEE) and the Institute of Industrial and Systems Engineers (IISE). It publishes "...original research, current practice, and teaching involving problems of capital investment."[9]

## See also

[edit]

* American Society of Civil Engineers
* Cost–benefit analysis
* Social discount rate

## Further reading

[edit]

On materials specific to civil engineering:

* Wellington, A. M. (1877).The Economic Theory of the Location of Railways. Accessed at [3] and revised through six editions with the last published in 1914 by Wellington's wife, Agnes Wellington. Accessed at [4]
* Gotshall, William C. (1903) Notes on electric railway economics and preliminary engineering. McGraw Publishing Company. Accessed at [5]
* Hayford, John F. (1917) The relation of engineering to economics. Journal of Political Economy 25.1 : 59–63. Accessed at [6]
* Waddell, J. A. L. (1917). Engineering economics. Lawrence: University of Kansas. Accessed at [7]
* Waddell, J. A. L. (1921) Economics of Bridgework: A Sequel to Bridge Engineering. J. Wiley & Sons, Incorporated. Accessed at [8]
* Fish, J. C. L. (1923). Engineering economics: First-principles. New York: McGraw-Hill. Accessed at [9]
* Grant, Eugene L. (1930) Principles of Engineering Economy, Accessed at [10]
* Burnham, T. H., & Hoskins, G. O. (1958). Engineering economics, by T.H. Burnham and G.O. Hoskins. London, Pitman. Accessed at [11].
* Barish, Norman N, (1962) Economic analysis for engineering and managerial decision making, Accessed at [12]
* Anon., (1963) Engineering economy, Engineering Dept, American Telephone and Telegraph Company. Accessed at [13].
* Sepulveda, Jose A. and Souder, William E. (1984) Schaum's Outline of Engineering Economics. McGraw-Hill Companies. Accessed at [14]
* Newnan, Donald G., et al. (1998) Engineering economic analysis. 7th ed. Accessed at [15]

For more generalized discussion:

* Jaffe, William J. L. P. Alford and the Evolution of Modern Industrial Management. New York: 1957
* Nelson, Daniel. Frederick W. Taylor and the Rise of Scientific Management. Madison: University of Wisconsin Press, 1980.
* Noble, David F. America by Design: Science, Technology, and the Rise of Corporate Capitalism. New York: Alfred A. Knopf, 1977.

## External links

[edit]

* Benefit-Cost Analysis Center at the University of Washington's Daniel J. Evans School of Public Affairs
* Benefit-Cost Analysis Archived 18 January 2022 at the Wayback Machine site maintained by the Transportation Economics Committee of the Transportation Research Board(TRB).

## References

[edit]

1. ^ a b Lesser Jr, Arthur. "Engineering economy in the United States in retrospect—An analysis." The Engineering Economist 14.2 (1969): 109-116.
2. ^ Hoffer, Stefan N. Economic analysis of investment and regulatory decisions: revised guide. 1998. Accessed at [1] This article incorporates text from this source, which is in the public domain.
3. ^ a b Billy E. (1959) Engineering Economy—Teaching and Practice, The Engineering Economist, 5:2, 1-12, DOI: 10.1080/00137915908965083 Access at [2]
4. ^ a b c d Magyar, William B. "Economic Evaluation of Engineering Projects." The Engineering Economist 13.2 (1968): 67-86.
5. ^ a b c Dharmaraj, E.. Engineering Economics. Mumbai, IN: Himalaya Publishing House, 2009. ProQuest ebrary. Web. 9 November 2016.
6. ^ Morris, W. Thomas. (1960). Engineering economy: the analysis of management decisions. Homewood, Ill.: R. D. Irwin.
7. ^ George L. Peterson (1965) Toward the Improvement of The Traditional Course In Engineering Economy Through Unification As Applied Decision Theory, The Engineering Economist, 10:4, 17-31, DOI: 10.1080/00137916508928726
8. ^ a b Dingwall, Robert. Essays on professions. Routledge, 2016.
9. ^ Anon. "Aims and scope". Journal The Engineering Economist A Journal Devoted to the Problems of Capital Investment. Taylor & Francis, Inc., 530 Walnut Street, Suite 850, Philadelphia, PA 19106. Retrieved 22 October 2018.

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