An advantage of cap and trade is that: Pollution costs ar more easily identifiable, making emission control easier. Some pollution controls are less costly than others The value that future generations place on pollution damages can be determined Technological change is incentivized, making cleaning up easier and less costly.Spaghetti and salad are related goods. Holding all things constant, if the price of spaghetti decreases and the demand for salad increases, spaghetti and salad are probably: Substitutes Complements Inferior Normal