Each economic program takes into account the government's desire to protect the country's environment and cultural traditions. For example, the government, in its cautious expansion of the tourist sector, encourages visits by upscale, environmentally conscientious tourists. Detailed controls and uncertain policies in areas such as industrial licensing, trade, labour, and finance continue to hamper foreign investment. Hydropower exports to India have boosted Bhutan's overall growth, even though GDP fell in 2008 as a result of a slowdown in India, its predominant export market.