A BRIEF LOOK AT MARKOV REGIME SWITCHING IN ACADEMIC ECONOMICS AND FINANCEREGIME SWITCHING AND INTEREST RATE PROCESSESREGIME SWITCHING AND EXCHANGE RATESREGIME SWITCHING, STOCK RETURNS, AND ASSET ALLOCATIONSINGLE-ASSET MARKOV MODELSTWO-STATE ESTIMATIONTHREE-STATE ESTIMATIONMARKOV MODELS FOR MULTIPLE ASSETSPRACTICAL APPLICATION OF REGIME SWITCHING MODELS FOR INVESTMENT PURPOSESINTUITIVE APPEAL OF SUCH MODELSIMPLEMENTATION CHALLENGESSELECTING THE “RIGHT” MODEL STRUCTURECALIBRATING THE SELECTED MODEL TYPE TO SUITABLE DATADRAWING THE RIGHT CONCLUSIONS FROM THE MODELREFERENCES