Tracking the Marshall and Swift equipment cost index

Values of the Marshall & Swift all-industry equipment cost indices are tabulated, dating back to their inception in 1913. The data since 1936 were correlated with time. It was found that both an exponential correlation and a bilinear correlation reproduced these data well, with correlation coeff...

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Veröffentlicht in:	Cost engineering (Morgantown, W. Va.) W. Va.), 1999-04, Vol.41 (4), p.29-31
1. Verfasser:	SOMMERFELD, J. T
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Chemical engineering Construction costs Cost engineering Economic data Economics Energy Energy economics Engineering firms Exact sciences and technology General aspects General, economic and professional studies Indexes Industrial equipment Studies Textbooks Value analysis
Online-Zugang:	Volltext
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Zusammenfassung:	Values of the Marshall & Swift all-industry equipment cost indices are tabulated, dating back to their inception in 1913. The data since 1936 were correlated with time. It was found that both an exponential correlation and a bilinear correlation reproduced these data well, with correlation coefficients in excess of 0.98. The bilinear correlation consists of two straight lines, intersecting in the years 1966-1967. This bilinear correlation is favored for the prediction of future values of this index in the next century.
ISSN:	0274-9696