World integrated Trade Solutions (WITS) gives access to international trade and protection related data and offers built-in analytical tools allowing users to assess the impact of tariff changes. WITS provide users with capabilities to retrieve and analyze trade and tariff data; convert data between different nomenclatures; customize country and product groups; calculate trade indicators and assess competitiveness of countries; visualize; and download data. WITS also includes simulation tool to calculate the impact of tariff changes on trade flows (trade creation and diversion), tariff revenues, and consumer welfare using partial equilibrium modeling tools.