Bargaining skill, also translated merchant skill or trading skill or even accounting skill.
Translation issue.
Also content issue
Bargaining skill
First mention v1c4
First appearance v2c3 latest description v27c5
Price fixing
The skill is used to influence the price.
The goal is to raise the price 3 times.
Each successfull bargain gives bonus experience and raise the skill.
Price are fixed thrgou reputation (fame), rarity and qulity of product (source) Special mention
it is said that no fourth trade had never been successfully attempted so far v27c5
Item trading
Challenge to find a new product and/or a new trend (prismatic clothers or ceramic v27c5 ), or a different or new trade route (through the Bar Khu Mountain Range v3c1 ) or a new market ( in the plain of despair)
Also, tools exist to support the merchant class v27c5
for example : a specialty product treatment.
for example : build up intimacy
for example : open a new trading route (through a map or with a specific connection with a high level player )
for example: following the news
for example : opening trading post
Comment
Description Trading consisted of buying and selling, and in between travel. v4c5 It's included in the craft skill family (even if they do not have anything to do with crafting ?!?)
Other skills related to merchant profession
Accounting skill
Translation issue, v3c1
it's another Merchant skill.
Recruiting skill
For safety and travel purpose
Travelling skill
A merchant can reduce the weight of traded goods, and increase the moving speed of vehicles. A buff to reduce a long journey. v4c5