00:01
So here we're talking about the roles of money, of which there are three.
00:03
The first one is the medium of exchange.
00:09
Then there is the unit of account.
00:15
And then the store of value, right? the store of value is the easiest one, right? this is that money can, you know, basically retain purchasing power over time.
00:33
So when we're thinking of which of these stories is tackling the store of value motive, the story here is that inflation erodes purchasing power, right? when inflation erodes purchasing power, it is literally reducing the value of the money, right? so it is compromising money's ability to store as to serve as a store of value, right? the second story we have here is called menu costs, and that's going to be related to the medium of exchange.
01:11
The medium of exchange is that money is used for business and transacting and exchange.
01:22
Right.
01:23
Menu costs are costs that need to be incurred when money changes or when prices change, right? so here, when you have inflation.
01:35
Causes menu costs, it is making money a less good medium of exchange...