Definition from Wikipedia
In economics, a banana republic is a country operated as a commercial enterprise for private profit, effected by a collusion between the State and favoured monopolies, in which the profit derived from the private exploitation of public lands is private property, while the debts incurred thereby are a public responsibility. Such an imbalanced economy remains limited by the uneven economic development of town and country, and tends to cause the national currency to become devalued paper-money, rendering the country ineligible for international development-credit. Such government by thieves is a kleptocracy; such a kleptocratic government is manipulated by foreign (corporate) interests, and functions mostly as ceremonial government that is unaccountable to its nation. The national legislature is, in effect, for sale, influential government employees illegitimately exploit their posts for personal gain (by embezzlement, fraud, bribery, etc.), and the resulting government budget deficit is repaid by the country's working people who earn wages rather than making profits.
Hmmm....do you know any countries that resemble this?