Setting aside issues of carbon emissions and climate change, the decision of what car to buy can be left to the buyer and seller." This statement best demonstrates the concept of: a. Social efficiency b. Social welfare C. Sustainability d. Private efficiency Flag question The outcomes from the criteria of economic efficiency and sustainability can conflict. a. True b. False Question 9 Not yet answered Taxable income is calculated by subtracting allowable deductions from gross income. Select one: True False