The two are one and the same--the only way to force people to pay for something is to make that thing scarce. In the case of information, which is not naturally

The two are one and the same--the only way to force people to pay for something is to make that thing scarce. In the case of information, which is not naturally scarce, that scarcity has to be entirely artificial. If something wasn't scarce--e.g. information sans copyright--then anybody could get it without paying. This is a practical reality that copyright attempts to change by legal means; the argument is that the legal means impose a larger cost than benefit on society.