> To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings an

> To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries. In what ways does an exclusive right promote the progress of science and the useful arts other than by incentivizing that creative work? In what way can that incentive work other than by compensating for the cost of production?