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Aleithawe, I, Sinno, R R and McAnally, W H (2012) Right-of-Way Acquisition Duration Prediction Model for Highway Construction Projects. Journal of Construction Engineering and Management, 138(04), 540–4.
Ashuri, B, Kashani, H, Molenaar, K R, Lee, S and Lu, J (2012) Risk-Neutral Pricing Approach for Evaluating BOT Highway Projects with Government Minimum Revenue Guarantee Options. Journal of Construction Engineering and Management, 138(04), 545–57.
Chen, Q and Jin, R (2012) Safety4Site Commitment to Enhance Jobsite Safety Management and Performance. Journal of Construction Engineering and Management, 138(04), 509–19.
Dyer, B, Goodrum, P M and Viele, K (2012) Effects of Omitted Variable Bias on Construction Real Output and Its Implications on Productivity Trends in the United States. Journal of Construction Engineering and Management, 138(04), 558–66.
- Type: Journal Article
- Keywords: Construction industry; Quality control; Productivity; Case studies; Construction inflation indexes; Construction quality measurement; Construction productivity;
- ISBN/ISSN: 0733-9364
- URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0000460
- Abstract:
An accurate measure of the U.S. construction industry’s productivity remains a consistently perplexing challenge. The thread of previous research has produced contradictory results, which contributes to the differences in opinion regarding whether construction productivity has been improving or declining over the past several decades. Typically, macroeconomic studies involving industry aggregated output measures have shown a decline in construction productivity, while micro studies involving activity based data have shown an increase. A dominant theory to explain these opposing results is that current measurements of construction inflation do not adequately consider the change in quality and amenities provided in today’s structures as compared to when the measurements were first established. The U.S. Census Bureau (Census) New Single-Family Houses under Construction Price Index is one of the industry’s major measurements of construction inflation. Previous research suggests that omitted quality variables in the Census price index leads to an omitted variable bias which overestimates construction inflation, leading to both an underestimate of construction industry output and productivity. However, previous research has not formalized necessary changes to the price index to avoid this bias, nor has the bias been actually measured to quantify its direction or magnitude. Utilizing sales data of new home construction in Bowling Green, Kentucky, this study examines the magnitude of the bias for one geographic location, and provides a direction for potential changes to improve the accuracy of the price index as a whole. The writers compare the current hedonic model with a proposed model on the basis of the Bowling Green data, which includes quality variables that are not part of the current hedonic model. While this study is obviously limited to the differences measured on this small data sample, this paper’s primary contribution to the overall body of knowledge provides the first known documented evidence of omitted variable bias in the current Construction Price Index, albeit limited to a very small geographic region. Regardless, these findings have important ramifications on the accuracy of existing industry output measures and related efforts to use those output measures for measuring the productivity of the overall U.S. construction industry.
Fortunato, B R, Hallowell, M R, Behm, M and Dewlaney, K (2012) Identification of Safety Risks for High-Performance Sustainable Construction Projects. Journal of Construction Engineering and Management, 138(04), 499–508.
Hwang, B and Ho, J W (2012) Front-End Planning Implementation in Singapore: Status, Importance, and Impact. Journal of Construction Engineering and Management, 138(04), 567–73.
Kog, Y C and Loh, P K (2012) Critical Success Factors for Different Components of Construction Projects. Journal of Construction Engineering and Management, 138(04), 520–8.
Li, X and Chen, X (2012) Using Grouting of Shield Tunneling to Reduce Settlements of Overlying Tunnels: Case Study in Shenzhen Metro Construction. Journal of Construction Engineering and Management, 138(04), 574–84.
Orabi, W and El-Rayes, K (2012) Optimizing the Rehabilitation Efforts of Aging Transportation Networks. Journal of Construction Engineering and Management, 138(04), 529–39.
Rahman, M M and Kumaraswamy, M M (2012) Multicountry Perspectives of Relational Contracting and Integrated Project Teams. Journal of Construction Engineering and Management, 138(04), 469–80.
Wambeke, B W, Liu, M and Hsiang, S M (2012) Using Last Planner and a Risk Assessment Matrix to Reduce Variation in Mechanical Related Construction Tasks. Journal of Construction Engineering and Management, 138(04), 491–8.
Woldesenbet, A, Jeong, & H S and Oberlender, G D (2012) Daily Work Reports–Based Production Rate Estimation for Highway Projects. Journal of Construction Engineering and Management, 138(04), 481–90.