Simplify the following text for a Grade 9 native English-speaking person.
Original: A protÃ gÃ of Flaubert , Maupassant 's stories are characterized by their economy of style and efficient , effortless dÃ nouement .
Simplified: He was an apprentice of Flaubert . Maupassant 's stories have a common economy of style and their efficient , effortless dÃ nouement ( ending ) .