School of Economics

2017 Discussion papers


School of Economics Discussion Paper 17/20


Improving Drinking Water Quality
in South Korea: A Choice Experiment


Adelina Gschwandtner, University of Kent
Cheul Jang, Korea Water
Richard McManus, Canterbury Christ Church University

December 2017


Abstract:

Increased pollution leads to a constant decrease of drinking water quality worldwide. Due to safety concerns, unpleasant taste and odour only about 3% of the population in South Korea is drinking untreated tap water. The present study uses choice experiments and cost-benefit analysis to investigate the feasibility of installing advanced water treatments in Cheongju waterworks in South Korea. The waterworks is situated in the middle of the country and is providing more than half a million people with drinking water. The study shows that the lower bound of the median WTP for installing a new advanced water treatment system is about $2 US/month, which is similar to the average expenditures for bottled water per household in South Korea. Scenarios under which the instalment of the advanced water treatments is feasible are discussed together with environmental solutions in the long-run.

JEL Classification: C19; C83; C90; D12; D61; Q25; Q51; Q53

Keywords: Drinking Water Quality; Water Pollution; Choice Experiments; Willingness to Pay; Random Parameter and Latent Class Logit; Cost-Benefit Analysis


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Last Updated: 03/01/2018