===== Overview =====
**<EconomyType>** is used to define new currencies. The default currency is Credits, which serves as the baseline for conversion/exchange rates. This can be used to create new economies, such as Rin, or the other currencies introduced in Eternity Port.

With <EconomyType> you can define and handle new currencies on your stations.

===== Usage =====

From George's 1.06 post [[http://forums.kronosaur.com/viewtopic.php?f=15&t=4292&p=39738|here]].

   <EconomyType UNID="..."
     id="rin"
     currency="rin|rin"
     conversion="500"
   />

**id=** is an identifier for the currency. It can be used optionally wherever a price is listed (see below).

**currency=** describes the name of the currency. Use the same syntax as item names to indicate pluralization. [The example says that the plural of "rin" is "rin".]
**Note**: This is confusing, but the right hand rin is the plural.

**conversion=** is the standard conversion into credits of 100 units of the currency. In this case, 100 rin = 500 credits.

You can assign prices to an item in any currency. For example:

   <ItemType ...
         ...
         value="rin:75"
         ...
   </ItemType>

The above code prices the given item in rin.

The <Trade> section of a station uses the currency= attribute to specify the currency used by the station. For example, Ringer stations specify that they use rin. Prices are automatically converted as appropriate.

**objGetSellPrice** and **objGetBuyPrice** return values in whatever currency the station uses.

You may use **objGetDefaultCurrency** to figure out what currency a station uses.
You may use **itmGetDefaultCurrency** to figure out what currency an item is priced in.
You may use **ecoExchange** to convert from one currency to another.
You may use **fmtCurrency** to format a string containing a currency value.

The priceAdj= attribute in a <Trade> element takes some special variants:

**priceAdj="constant:xxx"** sets the price to xxx (as opposed to adjusting the price by some percentage)
**priceAdj="unavailable"** means that the specified item(s) are not for sale or not bought by the station