Short stories by Joe Haldeman
Listing 2 stories.
Eventually it came to pass that no one ever had to die, unless they ran out of money. Then, unless they were so horrible that society had to dispose of them. Then, unless wanted to or could be talked into it. Then, no one would die so long as they had just one person who loved them.
A Hemingway scholar is convinced by a conman to forge a Hemingway story in order to get millions of dollars in a plot that may disrupt the omniverse, even as the famed author steps in to intervene.