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.
In the context of the input sentence, determine the relationship between 'Esther Duflo' and 'Massachusetts Institute of Technology'.
Options: location of formation, employer, distributed by, industry