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RES.14-004 | January IAP 2026 | Non-Credit

# Seven Questions About Tariffs That Everyone Should Know the Answer To

#### Course Description

It is hard to predict what US tariffs will look like in a few months, or even in a few weeks from now. But there are many questions about tariffs that can be answered through a combination of theory and data. This lecture discusses seven such questions that everyone should know the answers to. This talk was given …
It is hard to predict what US tariffs will look like in a few months, or even in a few weeks from now. But there are many questions about tariffs that can be answered through a combination of theory and data. This lecture discusses seven such questions that everyone should know the answers to. This talk was given during MIT’s Independent Activities Period in January 2026.

## Course Info

##### Instructor

- Prof. Arnaud Costinot

##### Topics

- Social Science
  - Economics
    - Financial Economics
    - Political Economy

##### Learning Resource Types

notes Lecture Notes
theaters Lecture Videos
A political cartoon from 1908 titled “The Fullest Dinner Pail,” by Udo Keppler. (Image is in the public domain. Library of Congress Prints and Photographs, Theodore Roosevelt Digital Library, Dickinson State University.)

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