HL students often find these formulas tricky because they involve exchange rates.
The Multiplier effect is central to understanding fiscal policy efficacy. ib economics hl formula booklet
. For example, it shows you the PED formula, but you must remember that a result > 1 is elastic, and < 1 is inelastic. 2. The "Paper 3" Power Players HL students often find these formulas tricky because
. Because of this, students rely on "unofficial" community-made booklets to master the quantitative demands of it shows you the PED formula
: (Index of Export Prices / Index of Import Prices) × 100
This is the most heavily used section. The formulas here are straightforward, but the interpretation is everything.