The document discusses three incentives provided by governments: 1) Export incentives which reduce taxes for exporters to make domestic products more competitive internationally, 2) Infrastructure allowances which grant incentives to companies that invest in infrastructure construction/improvements in promoted areas, excluding capital expenditures already claimed, and 3) Double deductions for export promotion which allows resident companies engaged in overseas export promotion to deduct approved expenses like advertising, overseas offices/warehouses, and public relations twice.