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bhaugen edited this page Oct 23, 2012 · 9 revisions

The concepts in the valuenetwork/valueaccounting app are based on REA

REA stands for Resource, Events and Agents. You can read about it on its Wikipedia page and on the inventor's website.

REA was originally designed in 1982 for internal accounting in a single company. However, in the 1990's it was expanded to cover economic interactions among many companies, first in supply chains, and now in value systems.

This page is a bare beginning of documenting the REA concepts, how they are used in the valueaccounting app, and how they are applied by real value networks like SENSORICA.

We will first deal with the three levels on which the REA model works: Types, Plans and Events. The reason for starting here is to discuss names for these concepts. The REA names are often too abstract for normal people, so we need some feedback from prospective users (e.g. SENSORICA members, although anybody else is welcome to join by raising issues on this github project).

Here's an overview of the REA levels:

REA levels

Each level and its relationships is necessary, but the names may be confusing.

Economic Resource Types are definitions of resources. For example, the definition of a product, like the definition of a SENSORICA sensor.

An Economic Resource is an instance of a type: for example, one tangible sensor.

An Economic Event is a change in the quantity or ownership of an Economic Resource performed by Economic Agents (for example, the production or sale of a SENSORICA sensor). Each of those events would be defined by an Event Type (production or sale).

The Plans level contains Commitments, which are promises for events that have not happened. The Plans level would contain schedules, orders, etc.

So, do you understand the concepts? If not, please raise questions. If so, please suggest names that would make sense to you (or respond that you are ok with the abstract names).

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