"","Estimate","Cluster s.e.","t value","Pr(>|t|)","Analysis","Variable","Location" "Tourism",0.002,0.007,0.252,0.804,"PA","Tourism","Inside PA + Buffer" "PopDensity",0,0.002,0.114,0.911,"PA","Pop. Density","Inside PA + Buffer" "combined_precip",0,0,-2.298,0.035,"PA","Pop. Density","Inside PA + Buffer" "OilPriceAdj",-0.015,0.009,-1.675,0.113,"PA","Oil Price","Inside PA + Buffer"