Supplementary
No. You can use 'On top of' as a synonym of 'Above'.
I am searching for an appropriate synonym.
Use.
pal,Boy, is my pal swell.
Use the thesaurus
additional satisfaction gained by the consumption of one more unit of a good.
cold period, glacial period
Economists use the word equity for fairness
economists and actuaries
Collateral
No. You can use 'On top of' as a synonym of 'Above'.
SPENDING
Fridge is a good synonym to use.
I am searching for an appropriate synonym.
Economists use math to calculate statistics in sales and business profits. Economists also use math to predict trends in supply and demand.
Economists often use graphs to analyze the choices and trade-offs that people make. Graphs help us see how one value relates to another value.
GDP