# All Questions

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### PMI - Purhasing Managers Index

I need the PMI time series for an econometic project but it seems I can't get it for free on the internet. Does anyone know where can I download it for free? Also a proxy for this series would be ...
10k views

### Why does the real wage = W/P?

Im reading about labour markets, and the notes mention that the real wage 'w' = W/P, where W = the nominal wage, and P = the price level. Could someone please use some 'W' and 'P' as an example to ...
191 views

### What would the determinant of the input-output matrix represent? What is the intuition?

I know that the determinant of a 2x2 matrix represents the oriented area of the parallelogram represented by the vectors in the matrix. For 3x3 or higher order matrix it represents the oriented volume....
22 views

264 views

### Can budget lines be discontinuous?

It's been awhile since I've taken introductory microeconomics. I read budget lines can be discontinuous awhile ago but am suspicious as to such a concept being discussed in intro micro classes ...
29 views

### Saving increasing in interest rate

Romer equation 2.55 on the Diamond model, says: Let $s(r)$ being the fraction of income saved, $r$ the interest rate,$\rho$ the discount rate, and $\theta$ the household's willingness to shift ...
548 views

### Representing these lexicographic preferences by non-continuous utility function?

I have the following preferences and I am wondering whether I could represent them by a utility function: $R_1 \succ R_2$ <-> $R_1\leq Q$ and $R_2 > Q$, $R_1 \succ R_2$ <-> $R_1 \leq Q$ and ...