In order to study economic relationships, we need a sensible way to catergorize the various things in our economic world. Take a look at this list of things that have value. Which of them would you place in the category of LABOR? Which are LAND? Which are CAPITAL? Are there some that don't fit in any of the three?

Some Things that Have Value:
Food in a Restaurant
Oil in the Ground
Your Mom's old House, which you Rent to Tenants
Fish in the Ocean
Teaching
A Building Site
Food on your table
A $100 Bill
A House You Live in
A Truck
A Broadcast Frequency
Ditch Digging
Computer Programming
A Certificate for 100 Shares of Microsoft
Playing Music in the Subway

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