hello everyone,
I'm trying to estimate exchange rate volatility using the garch(1,1) model for the topic "the impact of exchange rate volatility on trade flows in zambia).The data being used is the annual period average exchange rates spanning from 1993-2023. Whenever i run the command arch ln_return, arch(1) garch(1) in Stata17 I receive the convergence not achieved error message. kindly help on how i can estimate exchange rate volatility using the garch model (1,1) for my research.
I'm trying to estimate exchange rate volatility using the garch(1,1) model for the topic "the impact of exchange rate volatility on trade flows in zambia).The data being used is the annual period average exchange rates spanning from 1993-2023. Whenever i run the command arch ln_return, arch(1) garch(1) in Stata17 I receive the convergence not achieved error message. kindly help on how i can estimate exchange rate volatility using the garch model (1,1) for my research.