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Jun 21 2010

Why 1/3 Gold Bid Fail

Zekta Chan
Zekta Chan

Further Argument on the 1/3 payment GDKP.

12376

If anyone got bored by this, I am sorry

Background Readings

Gevlon’s plan on improving the GDKP
solo-rewards-for-group-effort
PUG
rule-in-gold-bid

Summary :
Gevlon try to introduce an improvement to GDKP, since GDKP do not compensate the other bidder “enough” and encourage bidding. He suggest that the final bid’s 1/3 will go to the second bidder (Instead of going to the gold pool for the raid)

The Game

I’ll try to rephrase my argument.
A given loot had been auctioned
Let Player A maximum bid be 1000g (FPBP)
Let Player B maximum bid be 900g (SPBP)

Traditional GDKP

Player A would get the loot, -900g
Player B would get nothing
Raid gets 900g

Honest Gevlon’s competition,

Player A would get the loot, -900g
Player B would get 300g,
Raid gets 600g

Zekta’s Double Bidding

Player B finds a cooperator Player C. in which, he’ll always bid just before player B (With B’s Gold).

Auction will stop when Player A withdraw.
Player A bid on 1000g,
Player C bid on 1100g,
Player B bid on 1200g, and win the auction

Results:
Player A would get nothing
Player B would get loot, -1200g
Player C get 1200*1/3=400g.
Raid gets 800g

Player C gives back the gold to Player B (He’s just a bid dummy for player B)
In Summary,
Player B would get loot, -1200+400= -800g

Player A would get nothing
Player B would get loot, -800g
Raid gets 800g

In Summary

If taking my double fire bidding plan, Player B is better off in this situation, since he would want to loot for 900g, but he now get it for 800g.

In this case, the only benefactor is Player B, at the expenses of Both Player A (Getting the Loot he value 1000g with 900g) and Raid (Getting 900g pool).

The only way to counter that is player A also use “double fire” bidding plan, but then the result is the same as Traditional GDKP (with bidding on 200g).

WINGS1

The fallacy of Gevlon example

At his Bid Ninja assumption, he stated
“So FG offers SGBP and not a cent more. It’s unreasonable for SG to bid more now if he did not bid 20 seconds ago, and BN has no options.”

The item valued by the FP (first player) to the First Player Break Point (FPBP), state that, the player is willing to pay until FPBP. Although it provides 0 values to the NB, He also knew P1 want the item. The Trade will occur as long as SPBP < = Price <= FPBP. But not necessarily equals to SPBP.

While destroying the item provide no benefits to BN, but this option provide an effective threat to P1. Consider the similar case in Mutual assured destruction in cold war and Cuba Crisis.

Summary

1/3 Bidding do not improve any better than Traditional GDKP, while introduce extra complexity.

The double fire loop hole had to be fixed, before it’s become useful.

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| posted in Wow Econ Research Project


Oct 10 2009

One Spreadsheet to rule them all

Zekta Chan
Zekta Chan

First of all,
I wasn’t planning to write an review on “The Ultima Spreadsheet” Sarainy is building before. Since Seth had mentioned it and Carbon already did a pretty good review on that.

But This spreadsheet is really worth your time.
Plus Sarainy is offering an review post on anyone mentioning her spreadsheet, here we go… (And Goblin respond to incentive, right? Shamelessly XD )

I had tried the spreadsheet, it’s a big list of cost calculation and decision recommendation.
(Should I sell it or disenchant it? or should I make it at all?)

This is nice, when you are pretty fresh in an industry,
(I never set foot in trading ore/ingot/bs) you never know the in and out and relation of the product. 7 out of 10 Fresh Leveled Scribe, never heard of Jessica…

Here is a good start, and by looking on the spreadsheet,
you can spot what’s your next target of profit industry as well
Or make forunte when the profit is high enough

Good work, Sarainy
/salute

P.s I am looking for Guest Blogger

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Oct 9 2009

LF Wow-econ Writer

Zekta Chan
Zekta Chan

LF Guest Poster!

A little short blog update…

As you may notice, I started my raiding career with my New Main Notus..
I am still work hard to balance time on blogging, raiding, work and family (especially with gf)

I would really want some help on having guest poster here…
A little summary of the state of the blog. There are 5 type of post we had here now

  1. Reactive post – post that reply to others’ post, thoughts and comments
  2. Wow Econ, Some economic perspective to Wow, including trading, player behavior, guild, pug etc. (Included but not limited to Gold-Making)
  3. Trader Tips – Fellow trader’s tips, e.g. how to start a bank guild
    (notice: not guild bank), New Add-on, Market Change
  4. Me as player – Rant, Goblin type – thoughts on Raiding,
  5. Others – Silly post and Not-so-Weekly Report for instance

I had been posting like 4(Player), 1(Reactive), 5(Others), 3(Trader), 2(Wow-econ)…

In which I would like more post on 2(Wow-Econ) and 3(Trader-Tips).

I would consider Wow-econ post is hardest to write (for me), since it’s usually long and hard to polish…

I am continuously looking for guest poster on these topics, If you had an idea would want to talk about, and think this blog is worthy for your publication, please contact me

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