Zimbabwe's economy faces a number of external and internal challenges in the 1990's, which will determine its future well being. Among the external factors is the rate of growth of the industrial countries. Economic conditions in these countries largely determine global demand. Internal policy adjustments can provide adequate flexibility to the economy to overcome the external pressures and achieve sustained economic growth. Zimbabwe's policy, adjustments in the 1980's improved its trade and current account balances, from deficits in the early 1980's to surpluses by 1987 and 1988.