Western Australia's economy is forecast to grow by 1.5 per cent this financial year while the unemployment rate is tipped to fall to 4 per cent in four years time, according to new forecasts by the state's Chamber of Commerce and Industry says.

Western Australia's economy is forecast to grow by 1.5 per cent this financial year while the unemployment rate is tipped to fall to 4 per cent in four years time, according to new forecasts by the state's Chamber of Commerce and Industry says.