Nick Rowe recently asked what the point of repoing an object was when you could just sell it, repurchasing it later. He could see three reasons. Firstly, you might repo a particluar thing because you hold it dear and want it back. It might not be available were you to simply try buying it back. Secondly, you might repo an asset because future liquidity might be an issue. Thirdly, you might repo an asset rather than sell it because future prices are uncertain. My comment used gold markets as an analogy: Nick, I think for financial assets you are right about points 2 and 3. In gold markets, for instance, you'd rather lend or swap (ie. repo) your gold than sell it (upon the anticipation of buying it back at some future point) because you might fear that, come time to buy the gold back, the future price could be much higher, or that the gold market could be illiquid and you might not be able to buy. Incidentally, you can also sell your gold and buy a futures contract. Selling spot and...