Ethics in marketing deals with the principles, values and/or ideals by which marketers (and marketing institutions) ought to act.  Marketing ethics is also contested terrain, beyond the previously described issue of potential conflicts between profitability and other concerns. Ethical marketing issues include marketing redundant or dangerous products/services    transparency about environmental risks, transparency about product ingredients such as genetically modified organisms     possible health risks, financial risks, security risks, etc.,  respect for consumer privacy and autonomy,  advertising truthfulness and fairness in pricing & distribution. 
Melvyn Bragg and guests discuss Tess of the d'Urbervilles by Thomas Hardy, originally serialised in The Graphic in 1891 and, with some significant changes, published as a complete novel in 1892. The book was controversial even before serialisation, rejected by one publisher as too overtly sexual, to which a second added it did not publish 'stories where the plot involves frequent and detailed reference to immoral situations.' Hardy's description of Tess as 'A Pure Woman' in 1892 incensed some Victorian readers. He resented having to censor some of his scenes in the early versions, including references to Tess's baby following her rape by Alec d'Urberville, and even to a scene where Angel Clare lifted four milkmaids over a flooded lane (substituting transportation by wheelbarrow).