Hundreds of soldiers looted in the capital, Harare, in the past week. Has President Robert Mugabe lost control?
Although commodity prices for a wide range of crops have fallen by as much as 50 percent from record highs in June, the financial crisis is expected to make food shortages dramatically worse.
Leaders from Southern Africa began emergency talks in Swaziland on Monday.
Mugabe and Tsvangirai agreed Monday to a deal that splits the government, but keeps the military under Mugabe.
As dispute persists in wake of presidential election, the country seems poised between negotiated settlement and outright civil war.
Even in Africa, pressure is mounting for Thabo Mbeki to increase pressure on Zimbabwe's president.
The African Union is expected to discuss the issue in Egypt Monday, one day after Mugabe declared a 'sweeping victory' in Friday's presidential runoff, which was widely condemned as a sham.
The opposition's pullout from Friday's vote raises pressure on Zimbabwe's leader.