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General Discussion / Re: Max short holding period will make shorts paying interest easy to implement
« on: September 30, 2014, 10:04:00 pm »This is the exact implementation I had considered *if* we wanted shorts to pay interest to longs rather than posting additional collateral.
This would create a bidding system / auction system for setting the interest rate...
Why not do both?
Let every short offer specify both the collateral ratio, and interest rate. You can increase your offer's sort priority by increasing either the collateral ratio or the interest rate.
In other words, just specify some hard-coded function f(collateral_ratio, interest_rate) with df/dx and df/dy both positive, and sort shorts according to their f() value.
Basically f() represents to what extent the network is willing to reward higher collateralization with an interest rate discount.
How would you choose f()? Ideally, you'd want f() to be chosen dynamically by some market mechanism. Hard-coding it could lead to trouble a la price-fixing.
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