Are there any examples using aggregate houshold expenditure data to
estimate the demand system?
The only data available for me is like the following: it's a panel
date of aggregate data by income group.
year 1
income_group1 income_group2 ....
food 111 111
cloth 111 111
others 111 111
year 2
income_group1 income_group2 ....
food 111 111
cloth 111 111
others 111 111
.....
Thanks for any hint.
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