Located in the United Kingdom, BestHomeInsurance has expanded to provide homeowners insurance in a number of European jurisdictions. Charles was previously a senior underwriter and now Head of Strategy for BestHome Insurance's online strategy. Charles has seen how the company's business has grown rapidly through its online presence in a number of European countries and he is concerned that growth has been too rapid. As one of his first tasks in his new role Charles has decided to write up a report on the key external factors that must be considered in all premium setting exercises in each of their jurisdictions. What key external factors should be dealt with in Charles' report?