Figure 3
From: Markets, voucher subsidies and free nets combine to achieve high bed net coverage in rural Tanzania
Degree of inequality for net distribution strategies for different wealth status. The concentration curve below the line of perfect equity indicates that net use obtained from that source is concentrated among higher socio-economic groups. The concentration curve above the line of equity indicates that net use obtained from that source is concentrated among the poor. When the curve lies along the line of perfect equity, then there is no wealth related inequity for that distribution strategy.