**3. Hypothesis**

Based on economic theory and previous research, we postulated the following hypotheses:

**Hypothesis 1 (H1).** *A decrease in the rate of the Norwegian currency leads to more foreign camping tourists in Norway;*

**Hypothesis 2 (H2).** *The exchange rate of the euro is related to the inflow of Swedish camping tourists in Norway;*

**Hypothesis 3 (H3).** *The exchange rate of the Swedish currency is connected to German camping tourists in Norway;*

**Hypothesis 4 (H4).** *There is a connection between income level in the origin country and overnight stays at campsites in Norway.*

The analysis was based on visitors from Sweden and Germany. A fall in the rate of the Norwegian exchange rate means that Norwegians have to pay more for the euro and Swedish krone. This makes it less expensive for Swedes and Germans to visit Norway. Our assumption (H1) was that this leads to greater tourist inflow to campsites in Norway. We assumed that Norway competes with neighboring countries to attract tourists and that German tourists often decide to head north, but are unsure whether to holiday in Norway or Sweden. If it is less expensive in Sweden due to the fluctuation of the exchange rates, more Germans may prefer to stay in Sweden instead of Norway (H3). A fall in the euro means that it will be less expensive for Swedes to stay in neighboring countries such as Finland and Denmark (the Danish currency is connected to the euro) instead of Norway (H2). On the other hand, a stronger Swedish currency can lead to an increase in Swedes traveling abroad. Therefore, one must account for the possibility of complementarity.

It is not clear how an increase in income affects demand for overnight stays at campsites (H4), and the research results are mixed. Some researchers suggested that demand is unaffected by income Crawford (2007), and others proposed that income elasticity is negative (inferior commodity) Brox and Kumar (1997). It is also possible that it is a common good with an income elasticity equal to 1.0 or greater for visiting tourists. Several researchers have pointed out that the income elasticity of foreign tourism is high (see Agiomirgianakis et al. (2014)). This may also apply to camping tourists.
