フォロー
"...For instance, in the early 1990s, pilots earned bonuses if the fuel burn rate on their airplanes fell below a specified amount. The program did decrease fuel costs, but it motivated many pilots to skimp on air-conditioning. ..."
Right Away and All at Once: How We Saved Continental https://hbr.org/1998/09/right-away-and-all-at-once-how-we-saved-continental
"... It also motivated them to fly more slowly. That made our customers late and angry and ruined the lives of our employees who had to work overtime because of tardy arrivals. It also forced the airline to pay more to accommodate customers who had to take other airlines because of missed connections."