Causes of haze and its health effects in Singapore: a replication study

Jan Kiviet

No 10/2020, Working Papers from Stellenbosch University, Department of Economics

Abstract: Intermittently Singapore suffers from severe air pollution in periods of intense forest and peatland fires on neighboring South-Asian islands. A recent American Economic Review article modeled the causal relationships between fire intensity in Indonesia and air pollution (PSI) in Singapore, and between PSI and health clinic visits in Singapore. We find serious flaws in the quantitative assessment of these relationships. Attempts are made to repair these using the same classic methodology and data, but also by alternative methods requiring less speculative assumptions. Although actually more detailed data are required, also some results are produced which seem more credible.

Keywords: endogeneity robust inference; environmental economics; health economics; instrument invalidity; sensitivity analysis (search for similar items in EconPapers)
JEL-codes: C12 C13 C26 I1 Q53 (search for similar items in EconPapers)
Date: 2020
New Economics Papers: this item is included in nep-env, nep-hea and nep-sea
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https://www.ekon.sun.ac.za/wpapers/2020/wp102020/wp102020.pdf First version, 2020 (application/pdf)

Related works:
Working Paper: Causes of haze and its health effects in Singapore; a replication study (2019)
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