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Question 2: Multiple choice [15 points] i. A key contribution of the Miguel & Kremer (2004) paper on mass deworming was that their design accounted for externalities of the treatment. Because of externalities, previous papers that used individual-level randomization: a) Understated the effect of deworming on educational outcomes (made it seem less effective than it really was) b) Overstated the effect of deworming on educational outcomes (made it seem more effective than it really was) C) Were biased, but the direction of bias is unclear Provided unbiased estimates of the effect of deworming on educational outcomes e) It is not possible to say. ii. A good for which consumption decreases as the price decreases is called a "Giffen" good. Which of the following is most likely to be a Giffen good for the poor in a developing country? a) Meat b Fish C Chocolate Rice e) All of the above iii. Based on the evidence we saw in class, which of the following policies or programs have been successful at improving school enrollment? a) Providing cash to families who enroll their children in school b) Providing cash to families with no strings attached c) Providing information about job opportunities for educated people d) a) and b) e) a) and c) iv . In class and in the reading, we saw good evidence for a nutrition-based poverty trap in which of the following areas? a) Adults experiencing extreme undernutrition (insufficient calories) in Indonesia b) Floriculture workers who received extra meals in Ethiopia c) Children experiencing micronutrient deficiency in Kenya d) Poor households consuming rice and wheat in China e) All of the above