Ib Economics Hl Formula Booklet Repack [ Top 50 Pro ]

| Country | Cars (hrs) | Wheat (hrs) | |---------|------------|--------------| | USA | 10 | 5 | | UK | 20 | 10 |

: Area above the price and below the demand curve:

That is where the concept of a comes in.

The booklet may not explicitly give a formula but expects you to know: [ \textGini Coefficient = \frac\textArea between Lorenz curve and line of equality\textTotal area under line of equality ] Gini = A / (A+B). 0 = perfect equality, 1 = perfect inequality. ib economics hl formula booklet repack

The CPI tracks changes in the price level of a basket of consumer goods over time.

ΔSΔYthe fraction with numerator cap delta cap S and denominator cap delta cap Y end-fraction

Elasticities measure responsiveness. Always use the percentage change, not absolute changes. | Country | Cars (hrs) | Wheat (hrs)

YED=%ΔQd%ΔYYED equals the fraction with numerator % cap delta cap Q sub d and denominator % cap delta cap Y end-fraction : Income. (Positive): Normal good. : Necessity good (income inelastic). : Luxury good (income elastic). (Negative): Inferior good. 4. Price Elasticity of Supply (PES)

This is where the math gets "crunchy." Your repack should have these in a clear table: Costs: Profit Maximization: Revenue Maximization: Allocative Efficiency: Productive Efficiency: 3. Macroeconomic Calculations (Unit 3) The Multiplier:

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

Tracking prices and labor utilization requires indexing and rate formulas. Consumer Price Index (CPI)

Never leave a final answer as a raw number unless it is an elasticity or index value. Include currency symbols ($, €, ¥), percent signs (%), or terms like "million units" where appropriate.

Area above the supply curve and below the price line ( Government Tax Revenue: Government Subsidy Expenditure: The CPI tracks changes in the price level

CPI=Cost of Market Basket in Current YearCost of Market Basket in Base Year×100CPI equals the fraction with numerator Cost of Market Basket in Current Year and denominator Cost of Market Basket in Base Year end-fraction cross 100