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Macroeconomics is a branch of economics dealing with the aggregate economy as a whole, rather than individual markets.
3
votes
0
answers
335
views
Log-linearizing a non-separable utility function around the steady state
I've started reading Jordi Galí's Monetary Policy, Inflation and the Business Cycle (2nd ed., 2015). In section 2.5.2, Galí considers an example with the following non-separable period utility functio …
2
votes
Derive the growth rate of an equation
First, note that the growth rate of $\mu$ is defined as $\dot\mu = \frac{ d\mu }{ \mu }$. Therefore, you will have to
take the total differential of the equation; and
divide by $\mu$.
For the firs …
2
votes
Hep with total differentiation of an AD function
For a variable $X$, let $dX$ denote its total differential. Let $k$ be a constant, and $X$ and $Y$ variables. You'll need the following rules:
$$dk = 0$$
(constant rule),
$$d(X + Y) = dX + dY$$
(s …