Frey, B. S., &Oberholzer-Gee, F. (1997). The cost of price incentives: An empirical analysis of motivation crowding-out. The American economic review, 87(4), 746-755.
초록 없음 Frey, B. S., &Oberholzer-Gee, F. (1997). The cost of price incentives: An empirical analysis of motivation crowding-out. The American economic review, 87(4), 746-755.https://www.jstor.org/stable/2951373
