also: かねづく
noun
power of money; using money as a weapon
Refers to situations where money is the decisive factor, often with a negative connotation of buying influence or settling things through wealth.
この業界は金尽くで何でも決まる。
In this industry, everything is decided by the power of money.
彼は金尽くでその地位を手に入れた。
He obtained that position through the power of money.
金の力 is a more neutral, descriptive phrase for 'the power of money,' while 金尽く often implies a negative or forceful use of wealth.
Compound of 金 (かね, 'money') and 尽く (ずく, 'relying solely on'). The 尽く element is a suffix meaning 'by means of' or 'depending entirely on,' seen in words like 力尽く (ちからずく, 'by force').