1. Preference for flexibility: an axiomatic approach;Arlegi;Social Choice Welfare,1999
2. A note on freedom and flexibility;Arrow,1994
3. Rough set approximations and freedom of choice;Bavetta,1996
4. A Leximax ordering for opportunity sets;Bossert,1992
5. Ranking opportunity sets: an axiomatic approach;Bossert;Journal of Economic Theory,1994