Bolivia's anti-drug law allows 12, 000 hectares of Yungas coca, to satisfy demand for its traditional uses.

ECONOMIST: Bolivia

It will be much harder to persuade them that the same applies in the Yungas.

ECONOMIST: Bolivia

Neither is it easy to grow other crops in the Yungas, where alternative development has already been tried, unsuccessfully.

ECONOMIST: Bolivia

In what looks like the first step in its Yungas campaign, the government is squeezing the tightly-regulated legal coca market.

ECONOMIST: Bolivia

You are right that replicating this success in Yungas, where alternative development projects are also essential, will not be easy.

ECONOMIST: Bolivia's coca crop

By law, all coca produced in the Yungas must be taken to La Paz, where it is bought by 700-odd registered retailers.

ECONOMIST: Bolivia

Another 12, 000 hectares are grown legally in the mountainous Yungas region.

ECONOMIST: Coca and cocaine in the Andes

Mr Morales's demand for more coca in the Chapare region does not resonate in the parts of the Yungas where coca is grown legally for traditional use.

ECONOMIST: Fragile states in the Andes (2)

Yungas's organic coffee and agro-forestry have enormous potential for growth.

ECONOMIST: Bolivia's coca crop