Template-Type: ReDIF-Article 1.0 Author-Name: Lim, Siphat Author-Name-First: Siphat Author-Name-Last: Lim Author-Email: lsiphat@cam-ed.com Author-Workplace-Name: CamEd Business School, Phnom Penh, Cambodia Title: Modelling Cambodia's Foreign Exchange Rate Dynamics: A Markov-Switching Autoregressive Model Abstract: The analysis of the daily fluctuations in the foreign exchange rate between the Khmer Riel and the US dollar was performed utilizing a Markov- switching autoregressive model. This study covered a time frame from January 04, 2005, to August 22, 2024, encompassing a total of 4989 days of data. The research findings revealed that the MS(2)-AR(1) model emerged as the most appropriate model for the analysis. The empirical results from both state 1 and state 2 models demonstrated that the intercept term, along with the AR(1) component, exerted a statistically significant positive effect on the exchange rate at a 1% significance level. Furthermore, the intercept term, which represents the average exchange rate, along with the volatility of the exchange rate in the state 2 model, was found to be higher than that observed in the state 1 model. The analysis of the probability transition matrix indicated that there was a 15.53% likelihood for FX to transition from state 2 to state 1. In contrast, the probability of FX departing from state 1 and returning to state 2 was recorded at 29.34%. Additionally, the chance of FX maintaining its position in state 1 was assessed to be 70.66%, while the probability of it remaining in state 2 was significantly higher at 84.47%. Keywords: Foreign Exchange Rate, Markov-Switching Model, Probability Transition Matrix Journal: International Journal of Economics and Financial Issues Pages: 330-336 Volume: 15 Issue: 1 Year: 2024 Month: 12 DOI: 10.32479/ijefi.17618 File-URL: https://econjournals.com/index.php/ijefi/article/download/17618/8497 File-Format: application/pdf Handle: RePEc:eco:journ1:v:15:y:2024:i:1:id:17618