Are Green Buildings Really 'Greener'? Energy Efficiency of Green Mark Certified Buildings in Singapore

65 Pages Posted: 20 Dec 2017 Last revised: 16 Jan 2018

See all articles by Sumit Agarwal

Sumit Agarwal

National University of Singapore

Tien Foo Sing

National University of Singapore (NUS) - Department of Real Estate

Zoe Yang

The Chinese University of Hong Kong - CUHK Business School

Date Written: October 2017

Abstract

There is no conclusive evidence in the existing literature to show that green buildings save more energy than conventional buildings. Why do buyers pay premiums for green buildings? This study empirically examines whether the “Green Mark” (GM) certification is either a signal for energy efficiency in buildings or a reputational signal segregating developers in the pooling equilibrium. Using a unique panel of electricity consumption data for a large sample of residential buildings in Singapore, we do not find significant differences in energy consumptions between GM-certified buildings and non-GM-certified buildings, on the days when the sky is shrouded by strong haze and the energy consumption in the buildings is relatively high. However, we find that the average transaction price of GM-certified dwellings is 1.61% higher than that of the comparable not GM-certified dwellings. With a difference-in-difference approach, we show significant and positive GM labeling announcement effects on housing prices and energy consumption. An instrumental variable approach is employed to deal with potential omitted variable bias and reverse causality issues between energy consumption and housing prices and to determine whether green housing is a sound investment that leads to intangible returns. The 2SLS estimates indicate that electricity consumption has no effect on housing prices implying that green housing premiums may not be as valuable without providing the expected energy savings.

Keywords: Energy and Environment, Electric Utilities, Residential Market, Air Pollution

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JEL Classification: O13, L94, R3, Q53

Suggested Citation

Agarwal, Sumit and Sing, Tien Foo and Yang, Yang, Are Green Buildings Really 'Greener'? Energy Efficiency of Green Mark Certified Buildings in Singapore (October 2017). Available at SSRN: https://ssrn.com/abstract=3088895 or http://dx.doi.org/10.2139/ssrn.3088895

Sumit Agarwal

National University of Singapore ( email )

15 Kent Ridge Drive
Singapore, 117592
Singapore
8118 9025 (Phone)

HOME PAGE: http://www.ushakrisna.com

Tien Foo Sing (Contact Author)

National University of Singapore (NUS) - Department of Real Estate ( email )

15 Kent Ridge Drive
NATIONAL UNIVERSITY OF SINGAPORE (MOCHTAR RIADY BU
Singapore 117566, 119245
Singapore
06565164553 (Phone)

Yang Yang

The Chinese University of Hong Kong - CUHK Business School ( email )

7/F, Cheng Yu Tung Building
12 Chak Cheung Street, Hong Kong
Hong Kong
Hong Kong

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