Why are people more likely to buy articles with a price of \$199, rather than the same (or let's say a slightly better) article for \$200? On which human brain centre is this advertising focused? Is ...
In my experience I tend to find low-fat products labelled as "99% fat free" much more often than the equivalent "1% fat".* Why is this so? To me it seems counter-intuitive, because it reminds me of ...