Increasing demand for basic services and goods from tourists will often cause raised prices that negatively affect local residents whose income does not increase proportionately. Tourism development and the related rise in real estate demand may dramatically increase building costs and land values. Not only does this make it more difficult for local people to meet their basic daily needs; it can also result in a dominance by outsiders in land markets and in-migration that erodes economic opportunities for the locals. Long-term tourists living in second homes cause price rises in their new homes if their numbers attain a certain critical