moreover certificates and labels like the green key awarded to tourism enterprises that assert for instance that they use of organic food beverages and green household products eg detergents must rely on the respondents honesty it is always therefore a point to consider whether the people in charge are in fact replying truthfully lastly it is possible that small and mediumsized enterprises may not be able to cope with the costs incurred by becoming more ecofriendly despite governmental subsidies which could mean that it is the large enterprises who reap the abovementioned benefits while the smaller ones struggle to survive environmentally conscious transport companies may profit from mitigation and in more general terms the providers of ecolabelled services may expect a growth in demand