Call the shots and Hold the purse strings

Call the shots verb - Exercise authority or be in charge.

Hold the purse strings and call the shots are semantically related. in be in charge topic. In some cases you can use "Hold the purse strings" instead a verb phrase "Call the shots".

Call the shots and hold the purse strings are semantically related. You can use "Call the shots" instead a verb phrase "Hold the purse strings".