Because eels are highly endangered as a species, many governments enact laws prohibiting fishing along their migration route. Initially, eel fishers complain about this restriction on the locations they can fish, but after a while they notice that the number of eels swimming outside regulated areas Is much higher than it was before. With the laws in place, eel fishers end up catching a greater quantity of eels than they did prior to the enactment of the lows. Which of the following principles of economic interaction best describes this scenario? - Markets allocate goods effectively. - Markets usually lead to efficiency. - There is a tradeoff between equality and efficiency. - When markets do not achleve efficiency, government intervention can improve overall welfare.