Subsidy will increase domestic production so Sd will shift to Sd+s, Domestic production increases from Q1 to Q3, Domestic revenue increase from only a to a+b+e+f+g of which e+f+g is the subsidy, Imports decreases from (Q1Q2) to Q3Q2, Foreign revenue decreases from b+c+d to c+d, The government spending on the subsidy is represented by e+f+g, The subsidy results in a welfare loss represented by the shaded triangle g. This are represents the net loss in producer and consumer surplus