Refer to the input text as context and select the correct relationship between 'Esther Duflo' and 'Massachusetts Institute of Technology' from the available options.
Options: distributed by, industry, employer, location of formation

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.
employer