In today's rapidly changing world, the ability to make informed decisions about the future is more important than ever, and this unit offers students the essential knowledge and techniques to make informative forecasts and to succeed in decision-making activities in economics, business, government, and many other fields. Throughout the unit, students will learn various reliable forecasting techniques, including the decomposition of time series, exponential smoothing methods, ARIMA modelling and forecast combinations. These methods will be applied to real-world economic data, providing students with practical experience in analysing and interpreting economic trends. In addition to technical skills, the unit will also cover key theoretical concepts and principles that underlie forecasting. These include an understanding of successful forecasts, and the limitations and uncertainties of forecasting. This unit is particularly relevant for students in economics, finance, business, and related fields who are interested in pursuing careers in analysing data, forecasting, consulting, strategic planning, or policy making.