PPP Flashcards
1
Q
Law of one price
A
All other costs zero, the prices of the same goods are equal when converted to the same currency:
P_us=ExP_eu
2
Q
PPP theory
A
Basket version of one price
3
Q
Relative PPP
A
E_t-E_t-1/E_t-1=inf_us-inf_eu
4
Q
Fisher equation
A
R_$-R_£=inf_us-inf_eu (expected)
5
Q
Problems of PPP
A
- SR: not valid, LR: valid
- Transport costs
- Tariffs
- Taxes
- Non-tradables
- Market imbalances
- Different baskets