BASIC CONCEPTS
SUPPLY & DEMAND
REAL-LIFE EXAMPLES
ECONOMIC PROBLEMS
MEXICO & INFLATION
100

What is economics?

The study of how people use limited resources

100

What determines prices in the market?

Supply and demand.

100

Example of shortage:

PlayStation 5 or Air Jordan 1.

100

What is inflation?

General increase in prices.

100

What was Mexico’s inflation in 2025?

3.69%.

200

What is scarcity?

When resources are limited.

200

What happens when demand is greater than supply?

A shortage.

200

Why are winter jackets discounted in summer?

Because demand decreases.

200

Does inflation reduce purchasing power?

Yes.

200

Was inflation higher or lower than previous years?

Lower.

300

What is opportunity cost?

The value of the next best alternative given up

300

What happens when supply is greater than demand?

A surplus.

300

Why is bottled water usually in equilibrium?

Stores restock it regularly.

300

What happens when products become more expensive?

Families buy less.

300

What helps stabilize the economy?

Lower inflation.

400

What is resource allocation?

How resources are distributed among different uses.

400

What is equilibrium?

When supply equals demand.

400

What happens after Valentine’s Day with candy sales?

There is a surplus and prices decrease.

400

Why do businesses like stable inflation?

Because they feel more confident investing.

400

What institution lowered interest rates?

The central bank.

500

What is marginal analysis?

Evaluating additional costs and benefits.

500

why do prices increase during shortages?

Because many people want limited products.

500

Give one example of opportunity cost in student life.

Studying instead of going out.

500

How can inflation affect students?

School expenses become more expensive.

500

Name one positive effect of lower inflation.

  • More purchasing power
  • Better savings
  • Lower pressure on families 
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