Answers

2016-03-19T15:05:33+05:30
The different modes of tribal economy are
Shifting cultivation
Settled cultivation
Herding cattles
Hunting and Gathering
Labouring 
and
Crafting
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2016-03-19T15:07:03+05:30
The basic and general economic systems are:

* Market economy (the basis for several "right-wing" systems, such as capitalism).
* Mixed economy (arguably the "centrist" economic system).
* Planned economy (the basis for several "left-wing" systems, such as socialism).
* Traditional economy (a generic term for the oldest and traditional economic systems)
* Participatory economics (a recent proposal for a new economic system)
Reference: http://american-writers.org/

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