Editing International Trade Theory (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'The Comparative Advantage' (Who should make what?):'''
<syntaxhighlight lang="python">
def recommend_trade(hours_per_car_a, hours_per_bread_a, hours_per_car_b, hours_per_bread_b):
    """
    Calculates Opportunity Cost to find the comparative advantage.
    """
    # Opp Cost of Car = Bread / Car
    opp_cost_car_a = hours_per_car_a / hours_per_bread_a
    opp_cost_car_b = hours_per_car_b / hours_per_bread_b
    
    if opp_cost_car_a < opp_cost_car_b:
        return "Country A should make CARS. Country B should make BREAD."
    else:
        return "Country B should make CARS. Country A should make BREAD."

# Country A: 10h/Car, 1h/Bread. (Opp Cost = 10 Bread)
# Country B: 20h/Car, 5h/Bread. (Opp Cost = 4 Bread)
print(recommend_trade(10, 1, 20, 5))
# Note: Country A is 'Better' at both, but Country B has the 
# Comparative Advantage in Cars!
</syntaxhighlight>

; Trade Landmarks
: '''The Silk Road''' → The ancient network of trade routes that connected China and Rome, trading not just goods but ideas and religions.
: '''The WTO (World Trade Organization)''' → The global body that sets the "Rules of the Game" for international trade and settles disputes between nations.
: '''The Container Revolution (1956)''' → The invention of the metal shipping container, which dropped the cost of shipping by 90% and created the modern world.
: '''Brexit (2016)''' → A rare modern example of a country choosing to "Leave" a free trade zone (The EU), providing a real-world experiment on the costs of trade barriers.
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