Consumer preferences

Principles of Economics // Spring 2026

Prof. Santetti

marcio.santetti@emerson.edu

From trade to consumption

From trade to consumption



Who are the first affected by barriers to trade (e.g., tariffs)?


And second?

From trade to consumption




Who is paying for Trump’s tariffs? So far, it’s US businesses. (PIIE)



Who’s really paying for the Trump administration tariffs?

From trade to consumption




After a Lag, Consumers Begin to Feel the Pinch of Tariffs (NYT)

Demand

Demand


If not always, consumers are usually price takers.



Consumers vs. higher prices

Demand


Not just prices.


Demand is also affected by:


  • Changes in taste;

  • Price of complements;

  • Price of substitutes.

Demand


Consumers have only so much income to spend.



Two categories:

  • Normal goods;

  • Inferior goods.

Next time: Elasticities