Tourism is one of the most important growth leading sectors in the world's economy. However, economies endowed with beautiful natural sites do always face a trade-off in the management of these resources. The problem is then to find an equilibrium point between utilisation and conservation of...

In practice, two types of tournaments can be distinguished - U-type and J-type tournaments. In U-type tournaments, workers receive prizes that have been fixed in advance. In J-type tournaments, the employer fixes an aggregate wage bill in advance, which is then shared among the workers according...