The long-run supply curve is more elastic and flatter than the short-run supply curve. In the long run, firms in an industry can adjust their production methods and scale.

The long-run supply curve is more elastic and flatter than the short-run supply curve. In the long-run, firms have greater flexibility to alter production scale and methods. Both remaining items in this question are true for the long-run supply curve.

The supply curve for products is typically more elastic over a longer time period than over a shorter period.