NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Akshaya Jha

Carnegie Mellon University
Hamburg Hall Office 3016
4800 Forbes Avenue
Pittsburgh, PA 15232
Website: http://www.akshayajha.com

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NBER Working Papers and Publications

September 2017The External Costs of Transporting Petroleum Products by Pipelines and Rail: Evidence From Shipments of Crude Oil from North Dakota
with Karen Clay, Nicholas Muller, Randall Walsh: w23852
This paper constructs new estimates of the air pollution and greenhouse gas costs from long-distance movement of petroleum products by rail and pipelines. While crude oil transportation has generated intense policy debate about rail and pipeline spills and accidents, important externalities – air pollution and greenhouse gas costs – have been largely overlooked. Using data for crude oil transported out of North Dakota in 2014, this paper finds that air pollution and greenhouse gas costs are nearly twice as large for rail as for pipelines. Moreover, our estimates of air pollution and greenhouse gas costs are much larger than estimates of spill and accidents costs. In particular, they are more than twice as big for rail and more than eight times as big for pipelines. Our findings indicate ...
May 2017Handle with Care: The Local Air Pollution Costs of Coal Storage.
with Nicholas Z. Muller: w23417
Burning coal is known to have environmental costs; this paper quantities the local environmental costs of transporting and storing coal at U.S. power plants for the sample period 2002-2012. We first demonstrate that a 10% increase in coal stockpiles (number of deliveries) results in a 0.07% (0.16%) increase in the average concentration of fine particulates (PM2.5) for locations up to 25 miles away from, and downwind from, plants. We next assess the impacts of PM2.5 on average adult and infant mortality rates using coal stockpiles and deliveries as instruments for PM2.5. Our findings within this instrumental variables framework indicate that a 10% increase in PM2.5 leads to a 1.1% (6.6%) increase in average adult (infant) mortality rates; these causal estimates are similar in magnitude to t...
 
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