Why coffee prices are low despite steady demand

Joseph Wamui attends to his coffee bush at Kienjaini village in Nyeri county, Kenya on November 12, 2019. Coffee production in the country is estimated to drop by 16 per cent due to prolonged drought as a pricing crisis leaves farmers in Africa and Latin America destitute. PHOTO | JOSEPH KANYI | NATION MEDIA GROUP

Despite a steady increase in coffee consumption around the world, trade prices have fallen dramatically in the past three years, hitting producers.

At the same time, the cost of an espresso or latte remains as full-fat as ever. What's going on?