company mines 300,000 tons of coal per year in a rural county. The coal is worth ​$73 per ton. The average price for a​ 2,000-square-foot house with three bedrooms more than 20 km away from the mining site in this county is ​$240,000. The average price for a​ similar, 2,000-square-foot house with three bedrooms within 4 km of the mine is 5 percent lower. Using comparative statics, what is the effect of mining on nearby home prices in

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.