Explanation:

- The Travel and Tourism Competitive Index (TTCI) is a tool used to measure the factors and policies that make a country attractive for tourism and travel development.

- Option 1: The World Bank focuses on financial and technical assistance for economic development, not specifically on tourism competitiveness.

- Option 2: The International Monetary Fund works on global economic stability and macroeconomic issues, not directly on tourism competitiveness assessments.

- Option 3: The World Economic Forum releases the Travel and Tourism Competitive Index to analyze the competitiveness of the travel and tourism sectors around the world.

- Option 4: The United Nations Development Programme focuses on global development issues rather than tourism-specific indices.