Economy of Tunisia
The Tunisian government adopted a unified investment code in 1993 to attract foreign capital. More than 1,600 export-oriented joint venture firms operate in Tunisia to take advantage of relatively low labor costs and preferential access to nearby European markets. Economic links are closest with European countries, which dominate Tunisia's trade. Tunisia's currency, the dinar, is not traded outside Tunisia. However, partial convertibility exists for bona fide commercial and investment transaction. Certain restrictions still limit operations carried out by Tunisian residents.
Water supply and sanitation in Tunisia
Drinking water tariffs are uniform throughout the country. They include a fixed part and a variable part that depends on the consumption of water. As of September 2016, the variable part of the drinking water tariffs in Tunisia was as follows: 
The exchange rate of the Tunisian Dinar to the US Dollar is 1.00 TND = $0.604 US.