ios好玩的生存类游戏:世界银行的决策机制

World Bank
The case for World Bank is a bit more complicated as World Bank is made up by two institutions, one is IBRD and the other is IDA.

Like all corporate organizations, each of the agencies of the World Bank has shareholders; these are the member countries. Every shareholder is allocated a certain number of votes linked to the size of its shareholding. The votes include a specified number of membership votes (which is the same for all members) and additional votes based on the number of shares of the stock held. The number of votes of a member expressed as a percentage of the total number of votes held by all shareholders is the member’s voting power.

IBRD (international bank for reconstruction and development)
(a) Each member shall have two hundred fifty votes plus one additional vote for each share of stock held.
(b) Except as otherwise specifically provided, all matters before the Bank shall be decided by a majority of the votes cast.
IDA (international develop association)
(a) Each original member shall, in respect of its initial subscription, have 500 votes plus one additional vote for each $5,000 of its initial subscription. Subscriptions other than initial subscriptions of original members shall carry such voting rights
(b) Except as otherwise specifically provided, all matters before the Association shall be decided by a majority of the votes cast.
Besides, other institutions in the World Bank group have similar rules in voting system. For instance, in the article of IFC:
IFC (international financial cooperation)
(a) Each member shall have two hundred fifty votes plus one additional vote for each share of stock held.
(b) Except as otherwise expressly provided, all matters before the Corporation shall be decided by a majority of the votes cast
材料据来自官方网站
世界银行：www.worldbank.org