Money can’t buy you love, but a new study suggests lovemaking can earn you money — and not just if you’re employed in the red light district.

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Employees that have sex more than four times a week receive 5% higher wages, according to an academic paper by Nick Drydakis, a senior lecturer in economics at Anglia Ruskin University in Cambridge, England. Conversely, those who don’t have any sexual activity earn 3% less in wages than those who are sexually active, the study — published by the Institute for the Study of Labor in Bonn, Germany — concluded. Similarly, a Brazilian study published in 2009 found a positive correlation between sexual frequency and wages for Brazilian employees. This may be little more than a correlation, but based on these findings, Drydakis says, “it seems that sexual activity may be of interest to economists.”