> I thought of efficiency as an unalloyed good This sort of efficiency is efficient in the way an uninsulated wall is efficient at moving heat from inside to o

> I thought of efficiency as an unalloyed good This sort of efficiency is efficient in the way an uninsulated wall is efficient at moving heat from inside to outside in the winter. I think most people could agree that inefficient heat transfer is good in the case of houses in the winter. Similarly, ineffeciencies can be very good for markets to help them achieve a critical mass and viability.