Deadweight loss of taxation

Argentina is doing their bit to help economics instructors explain the deadweight loss of taxation. After the Argentinian Government increased export taxes on agricultural exports:

The tax rise would lead to some 2m hectares (5m acres) being left idle next year, reckons Pablo Adreani, an agricultural consultant. Some producers are already cutting back: Alexis de Noailles, who runs Rincón de Chillar, a large farming company, says the new policy caused him to stop work on a new milk factory, costing ten families their jobs.

From the Economist