Det of exchange rates (important stuff) Flashcards
Asset pricing theory of exchange rates
- currencies are financial assets
- value is determined by investors’ desire to hold it. desire depends on view of future assets’ worth
Disequilibrium theory of exchange rates
- frictions in the economy cause goods prices to adjust slowly over time
- nominal exchange rates adjust quickly
- changes in nominal exchange rates propagate into changes in real exchange rates
Describe the overshooting process
money supply increase–» exchange rate goes up one shot by same proportion, and then goes back down(appreciates back) slowly over time as prices react slowly upwards to reach the equilibrium price level
Equilibrium theory of exchange rates
- markets clear: supply and demand are equated through gradual price adjustment
- attempts by CB to affect the real exchange rates through market intervention fail
- no simple relation between exchange rates change and trade deficit, competitiveness, employment, etc.
- morelong term than disequilibrium, in long run, exchange rate is primarily determined by fundamental economic factors
What does central bank do and how
Determines/impacts:
- interest rates
- value of the currency
- inflation
How:
- prints money
- buys or sells local currency
- buys or sells foreign currency
- changes in fiscal and monetary regulations
- changes in interest rates
Difference between sterilized/unsterilized intervention
Unsterilized may lead to inflation, sterilized takes into account the other currency in the intervention and offsets the inflation that could be created by the intervention
With floating exch rates, how is exch rate determined
Through the laws of supply and demand
How can nominal exchange rates be altered
by tightening or expanding the money shock
In response to what does the real exchange rate mainly change
in response to economic fundamentals