Abhijit Banerjee and Esther Duflo of the Massachusetts Institute of Technology cite the example of poor Indians, who often say it is hard to resist buying sugary tea, a costly treat that brightens up dark days but is not nutritious.
Analyze the relationship between 'Esther Duflo' and 'Massachusetts Institute of Technology' within the context of the input sentence.
Options: location of formation, employer, industry, distributed by