世界银行:股权融资:Market capitalization of listed domestic companies,银行贷款:Domestic credit to private sector by banks或者BIS中的银行贷款Bank credit to the private non-financial sector (core debt)
BIS数据库:债券数据:Total debt securities--Non-financial corporations
直接融资=(股权+债券)/(股权+债券+银行贷款)