Why testing for stationarity matters before building financial forecasting models A Financial Econometrics case study using Apple, Microsoft and Alphabet August 2026 Why this project? When analysing financial markets, one of the first questions an analyst should ask is whether historical prices can be used to make reliable predictions about the future. Many forecasting models assume that historical data behaves consistently over time. However, stock prices often trend upward,

What 24 years of CPI and Repo Rate data reveal about the timing of South African monetary policy A descriptive macroeconomic analysis prepared for online publication July 2026 When inflation rises, it's tempting to assume that raising interest rates brings it straight back down. A review of 24 years of monthly data from Stats SA and the SARB shows the relationship is real but not simple — and that timing matters more than intuition suggests. The headline findings The overall

An analysis of 21,454 borrower records explores how family profile, income level and loan purpose are associated with historical loan default.