Repugnant market

Others consider the lack of such markets to be even more immoral and uncaring, as trade bans (e.g. in organ transplants[2][3][4] and terrorism information)[5][6] can create avoidable human suffering.

Nobel Laureate Alvin Roth (2007)[7] "introduced in the economics literature the concept of "repugnance" for a transaction as the aversion toward other individuals engaging in it, even if the parties directly involved benefit from that trade (i.e. "There are some things no one should be allowed to do").

Repugnance considerations have important consequences on the types of markets and transactions that we observe and, as such, they impose a challenge for policy and market design.

"[8] The repugnance of markets varies according to time, culture, and economic development, among other factors.

Examples of markets considered repugnant at one time or place include: