Li, Zhigang; Xu, Nan; Yuan, Jia - In: Economics Letters 128 (2015) C, pp. 72-74
We revisit the effect of trade openness on environmental quality by utilizing data on the air visibility of 134 countries during 1961–2004. We find a significantly negative impact of trade openness on air quality, not only for developing economies, but also for developed ones. This finding is...