Which group of players in the game of economics both produces and uses goods and services

Workers.

Explanation:

In the game of Economics, workers play a dual role, both as a producer and a consumer as they are not affiliated with the production of goods and services but also use the same goods and services they produced. They are involved in the creation of goods and services as a part of their job from the producer's side and when they buy the same product from the market, they become a consumer. For example, if a waiter works at a restaurant, he is the producer but when he visits the same restaurant with his family to have dinner, he becomes a consumer. Thus, the workers play both ways in economics.

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