Ib Economics Hl Formula Booklet Repack

Development formulas are rare but appear in HL Paper 3 as data response questions.

Use the blank space to draw a decision tree:

Trap: Always draw the diagram mentally – who gets the subsidy incidence?

Before you walk into the HL Paper 3, your repacked formula booklet should allow you to solve these five calculation types in under 2 minutes each: ib economics hl formula booklet repack

If your repack doesn't immediately guide you to the correct sub-formula for these five tasks, go back and re-annotate.

A high-quality Repack addresses the shortcomings of the official document by adding layers of context. Here is what a comprehensive Repack typically includes:

Given: ( QD = a - bP ), ( QS = c + dP )

Trap: Tax on consumers shifts demand left: ( QD = a - b(P + t) ).

Official (abbreviated): [ \textCurrent Account = (X - M) + \textNet Income + \textNet Transfers ] [ \textCapital & Financial Account = \textFDI + \textPortfolio Investment + \textReserve assets ]

Repack Golden Rule: "Current Account + Capital Account = 0 (ignoring errors/omissions)." If a country has a current account deficit, it must have a capital account surplus (borrowing from abroad). Development formulas are rare but appear in HL

The booklet lists: [ \textTotal Revenue (TR) = P \times Q ] [ \textTotal Cost (TC) = \textFC + \textVC ] [ \textProfit = \textTR - \textTC ]

Repack Addition:
For perfect competition (HL):

For monopoly (HL):