Market Prices: Economic Incentives for Food Conservation

Track fluctuation in market prices of specific crops over time.


To show how to obtain marketing information in the community that will be useful for deciding when to sell produce


  • Paper
  • Writing utensils


One hour to several days per survey session depending on the size of the community; sessions dispersed throughout the year


In this activity, kids survey individuals in the community to discover how food prices change throughout the year. This information can be useful in helping farmers decide when to sell their products.

Note: As in the previous activity, be sure to verify that it is culturally appropriate for your kids to be conducting surveys. In some places, such activity arouses widespread suspicion and even hostility. 

The price of grain and vegetables goes up and down with the seasons. When a product is abundant, the price is low. When it is scarce, the price is high. Farmers can use this information to help decide what and when to plant and when to sell their crops.

Ask your kids to find people who are in different stages of marketing crops within your community. They should ask the people to note the prices of their crops and whether they go to the market every week, once a month, or at some other interval. They should try to find people who are in different markets: small ones, major ones, city, countryside, etc. 

With the information your kids collect, make a price chart to see how the price goes up and down. This is where you will find the months when you can sell at high prices and the months when it’s best to buy. 

For the greatest accuracy, you can carry out the survey over a span of several months to a year, but this may not be practical for your situation. If that is the case, your kids will have to rely on people’s memories.

Here is an example that you can follow and draw in your notebook:


This lesson plan is an activity from the Environmental Activities for Youth Clubs and Camps, a resource developed by the Peace Corps Office of Overseas Programming and Training (OPATS). It was contributed by Peace Corps/Togo.

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