 However, the EC lack of political support to enhance the impact of its decision The issue of the low salience was a causal factor explaining the limits of the commission's commitment to reform the single market.Even though the member states approved the DSM, and the definition for the DSM was accepted by European institutions as a key priority, only one proposal was adopted at the end of 2012.Despite being a priority in the SMA I & II, legislative initiatives failed due to the high cost of implementation measures.