Changes in incentives: suppose the commissioner of the national football league (nfl) institutes a rule requiring players to wear a new, lighter helmet that is designed to reduce head trauma during collisions between players on the field.
while the new helmets the probability of a concussion resulting from each individual collision, at the same time, the new helmets could also give football players an incentive to play more which could potentially the amount of violent collisions and thus the number of concussions suffered by nfl players, all else equal.

Read the excerpt from muir's essay "calypso borealis" and answer the question. [5] how long i sat beside calypso i don't know. hunger and weariness vanished, and only after the sun was low in the west i splashed on through the swamp, strong and exhilarated as if never more to feel any mortal care. at length i saw maple woods on a hill and found a log house. i was gladly received. "where ha ye come fra? the swamp, that awfu' swamp. what were ye doin' there? " etc. "mony a puir body has been lost in that muckle, cauld, dreary bog and never been found." when i told her i had entered it in search of plants and had been in it all day, she wondered how plants could draw me to these awful places, and said, "it's god's mercy ye ever got out." examine the details muir includes in this paragraph. which statement accurately explains how muir's response to nature compares to the log house owner's response? he is enthusiastic and in awe while she is doubtful and fearful. muir cautiously admires whereas the lady shows religious dedication. the lady is more interested in the bog while muir is fascinated by plants. they both admire nature—its intense dangers and its true treasures.

In the poem, collins compares his love to a pigeon on a generals head

It will be through raising high the prestige of your administration by success in short-range recovery, that you will have the driving force to accomplish long-range reform. on the other hand, even wise and necessary reform may, in some respects, impede and complicate recovery. what is the purpose of the transitional phrase on the other hand in this excerpt? a) it provides a counter-argument to the writer's main ideas. b) it provides a hypothetical situation for the reader to ponder. c) it provides additional evidence in favor of the writer's argument. d) it provides information about laws that are opposed to the writer's argument.