It is also “age matched” to avoid the effect of life-cycle factors and an adjustment is made for the number of people in the household. BIS central bankers’ speeches  3  Graph 4  It is also possible to look at how saving rates have changed for different age groups (Graph 5).
The secular shift from robust growth to the current anaemic performance that is well below the global average has been attributed to several well-known factors such as the oil price increases in the 1970s, the loss of preferential trading arrangements, reduced access to official development assistance, the impact of recessions in the region’s main trading partners and natural disasters.