Models for Forecasting Exchange Rates Essay Example | Topics and Well Written Essays - 2000 words

Models for Forecasting Exchange Rates - Essay Exampleis a function of sample size = N M = N/log NSchwartz criterion Consistent estimate of lag lengthAkaike lag length Minimum mean square divination errors criterion of the dependent variableSimilar to AR Weight (W) is assigned arbitrarily W = 0.95 Random Walk model Current spot place is a predictor of the future spot set out Basic model Requires no estimationWith a drift parameter Mean monthly (logarithmic) alter rate changeThese methods minimize criteria base on squared deviations but it will be ineffective when the fluctuations in foreign exchange rates is singular - and not as based on reasons realised in various studies of fluctuations.Multivariate Time Series Models - Unconstrained Vector Auto regression (VAR).(1. MEESE, Richard A. ROGOFF Kenneth) low VAR model, contemporaneous value of each variable is regressed against lagged values of itself and all the other variables. The exchange rate equation isst = a i i s - 1 + a l z s t - 2 + a i n s f - n + BilXt - 1+ 2 X t - 2 + BiX,- + uiwhere X,_j is a vector of the explanatory variables in the earlier equation, lagged jperiods. (1. MEESE, Richard A. ROGOFF Kenneth)VAR yields better forecasts since it does not restrict any variables and is better furnished to tackle the estimation problems that plague the structural models.Theoretical Models - Purchasing Power Parity Condition (PPP) , Sticky price monetary model of Dornbusch and Frankel , Balassa- Samuelson model based on productiveness differentials, uncovered interest rate parity (UIP) (2. Cheung, Yin-Wong Chinn, Menzie D. Pascaul, Antonio Garcia)Model Assumption / DeterminationPurchasing Power Price indices...Richard A. MEESE, Kenneth ROGOFF)These methods minimize criteria based on squared deviations but it will be ineffective when the fluctuations in foreign exchange rates is unusual - and not as based on reasons established in various studies of fluctuations.Theoretical Models - Purchasing P ower Parity Condition (PPP) , Sticky price monetary model of Dornbusch and Frankel , Balassa- Samuelson model based on productivity differentials, uncovered interest rate parity (UIP) (2. Cheung, Yin-Wong Chinn, Menzie D. Pascaul, Antonio Garcia)Let s be the log exchange rate, m and y be log domestic property stock and output and m* and y* be log foreign money stock and output. Following Mark, the money stock variables are constructed as quartet quarter moving averages, to eliminate seasonality. The fundamental value of the log exchange rate predicted by the monetary model is f1 = (m-m*)-(y-y*)This model states that the nominal exchange rate is determined by home-foreign differentials in the monetary fundamentals used above as well as short-term interest rates, expected inflation rates, and cumulated menses account balances.There is no evidence to suggest that exchange rate forecasts obtaine