Buffer stocks to stabilise incomes P QO D a P1P1
P QO D Y a P1P1 P d = 1 Buffer stocks to stabilise incomes
P QO D Sa2Sa2 Q2Q2 Q1Q1 Sa1Sa1 Y a P1P1 Buffer stocks to stabilise incomes 1
P QO D Sa2Sa2 Q2Q2 Q1Q1 Sa1Sa1 Y a P1P1 P2P2 Buffer stocks to stabilise incomes
P QO D Sa2Sa2 Q2Q2 Q1Q1 Sa1Sa1 Q 2 Y a b c P1P1 P 2 P2P2 Bought into buffer stock Buffer stocks to stabilise incomes
P QO D Sa3Sa3 Q3Q3 Q1Q1 Sa1Sa1 Y a P1P1 Buffer stocks to stabilise incomes 2
P QO D Sa3Sa3 Q3Q3 Q1Q1 Sa1Sa1 Y a P1P1 P3P3 Buffer stocks to stabilise incomes
P QO D Sa3Sa3 Q3Q3 Q1Q1 Sa1Sa1 Q 3 Y a d e P1P1 P 3 P3P3 Released from buffer stock Buffer stocks to stabilise incomes