Two years of phone calls and emails got us nowhere so we contacted the ombudsman, which ruled that Scottish Power must backdate our billing to refund the difference between the tariff we were on and its most competitive tariff.
There were systematic differences between the SWT and tariffs from other countries meaning that the choice of tariff might have substantial impact on funding decisions.
Comparing different tariffs in a longitudinal study, the influence of differences between tariffs on health studies including economic evaluation and inequality, and differences in EQ-5D-5L tariffs whenever the Swedish EQ-5D-5L value set become available are subjects for future studies.
The key differences between the UK and the Zimbabwe tariffs are that the latter generally gives higher values, particularly to those states with reductions in i) mobility; iv) pain/discomfort, and; v) anxiety/depression.
According to data from TheEnergyShop.com, the difference between standard tariffs and the cheapest deals has never been greater in cash terms.
The mean differences between tariffs were tested using one-way analysis of variance (ANOVA), followed by post-hoc Bonferroni tests.
What is the difference between tariffs and the U.S. saying to China, "You must revalue your currency, which will artificially increase the price of your imports," which is an equivalent of a tax, and artificially lower the price of our exports, which is kind of an old-kind subsidy?
Differences in tariffs are likely to reflect more general differences between the two countries in people's life and health expectations.
This finding and also wide limits of agreement between the tariffs suggest that choice of tariff might have important impact on economic evaluation studies and funding decisions.
The Citizens Advice chief executive, Gillian Guy, said: "This league table will lift the lid on the price difference between standard tariffs and cheaper deals, helping those customers who are currently paying over the odds for their gas and electricity identify a better rate.
