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Transparent pricing

Our transparent pricing ensures that we do not receive both an article processing charge and subscription income for open access (OA) articles.

How we set 2017 prices

First we took account of cost inflation based upon the official UK Retail Price Index (RPI) at 1.3% (February 2016). Other economic factors may have to be taken into account in future years and we will give details of these as and when they are applicable.

Then we took account of the percentage change in the number of non-OA articles published. We did this by comparing the 2 most recent rolling 3-year periods: 2012-14 and 2013-15 (with 2015 being the last complete year).

By using rolling 3-year periods rather than comparing 1 year with the previous, we hope to smooth out any short-term fluctuations. If the percentage of non-OA articles drops the price will be adjusted accordingly.

This time 2 journals saw a decrease in the level of non-OA articles. One young, emerging journal showed faster than normal growth in content which reflects its successful development and growing popularity. We have a safety cap of ±20% to this figure to protect libraries from the subscription price changing too suddenly in any 1 year.

Any one-off increases to article numbers, for instance to clear a backlog of articles, as well as OA articles, where a fee has been paid, are not counted in these figures. Any articles that have had a full waiver of the APC fee will be counted as non-OA for this calculation.

Each year we shall publish the percentages and article counts on our web site. The figures used for the 2017 subscription prices are shown below.

Below are final article counts for each subscription title in the periods 2012-14 and 2013-15, and the division of paid OA and non-OA articles in each period. The percentage change in number of non-OA articles is combined with the rate of inflation as measured by UK RPI to give the net decrease or increase in price. For simplicity subsequent prices are rounded down or up to the closest full British Pound, US Dollar or Euro.

  2012-14 2013-15 Change in non-OA 2016 Price Adjustment Notes
Biology Letters 765 articles published, of which 70 paid for OA 723 articles published, of which 86 paid for OA - 8.30% 1.3% - 8.30% = - 7.00% 20 extra articles were published in 2012, but are not counted as they were one-offs to clear a backlog.
Interface Focus 208 articles published, of which 25 paid for OA 201 articles published, of which 28 paid for OA - 5.50% 1.3% - 5.50% = - 4.20%  
Interface 856 articles published, of which 165 paid for OA 1001 articles published, of which 237 paid for OA + 10.60% 1.3% + 10.60% = + 11.90% 108 extra articles were published in 2012, but are not counted as they were one-offs to clear a backlog.
Notes and Records 100 articles published, of which 4 paid for OA 93 articles published, of which 5 paid for OA - 8.30% 1.3% - 8.30% = - 7.00%            
Proceedings A 628 articles published, of which 42 paid for OA 744 articles published, of which 88 paid for OA + 11.90% 1.3%+ 11.90% = + 13.20% 23 extra articles were published in 2012, but are not counted as they were one-offs to clear a backlog.
Proceedings B 1759 articles published, of which 249 paid for OA 1825 articles published, of which 323 paid for OA - 0.50% 1.3% - 0.50% = + 0.80% 72 extra articles were published in 2012, but are not counted as they were one-offs to clear a backlog.
Philosophical Transactions A 999 articles published, of which 77 paid for OA 1012 articles published, of which 106 paid for OA - 1.70% 1.3% - 1.70% = - 0.40%
Philosophical Transactions B 1089 articles published, of which 214 paid for OA 1166 articles published, of which 274 paid for OA + 1.90% 1.3% + 1.90% = + 3.20%