Abstract
Engineering economics, previously known as engineering economy, is a subset of economics concerned with the use and application of economic principles in the analysis of engineering decisions. As a discipline, it is focused on the branch of economics known as microeconomics in that it studies the behavior of individuals and firms in making decisions regarding the allocation of limited resources. Thus, it focuses on the decision making process, its context and environment. It is pragmatic by nature, integrating economic theory with engineering practice. But, it is also a simplified application of microeconomic theory in that it avoids a number of microeconomic concepts such as price determination, competition and demand/supply. As a discipline though, it is closely related to others such as statistics, mathematics and cost accounting. It draws upon the logical framework of economics but adds to that the analytical power of mathematics and statistics. Engineers seek solutions to problems, and the economic viability of each potential solution is normally considered along with the technical aspects. Fundamentally, engineering economics involves formulating, estimating, and evaluating the economic outcomes when alternatives to accomplish a defined purpose are available. The study includes an introduction to the application of economic techniques to the evaluation of design and engineering alternatives, cash flow concepts, interest factors, comparison of alternatives, benefit - cost analysis, and conclusions of the study. One of the objectives of the economic analysis in engineering projects is the good management which consists primarily of making wise decisions; wise decisions in turn involve making a choice between alternatives. Engineering considerations determine the possibility of a project being carried out and point out the alternative ways in which the project could be handled. Economic considerations also largely determine a project's desirability and dictate ho
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