तुल्ये हिरण्यभोगे प्रार्थितार्थता प्राभूत्यमल्पप्रयसता सातत्यं च विशेषः ॥ कZ_०७.९.३६ ॥
tulye hiraṇyabhoge prārthitārthatā prābhūtyam alpa-prayasatā sātatyaṃ ca viśeṣaḥ
When cash-support is equal, the differentiators are: granting what is requested, political weight/influence, requiring little effort (low transaction cost), and continuity of support.
As a proxy for transaction costs: fewer conditions, faster disbursement, simpler coordination, and lower bureaucratic friction make an ally more valuable even at equal nominal support.