But it boosted the credibility of the e-book market.
The Iran nuclear deal, despite opposition in Israel, in Saudi Arabia, and in the U.S. Congress, boosted the credibility of American diplomacy, and of Kerry in particular.
To launch a scarcely credible attack now on the euro's most successful member is no way to boost the credibility or authority of any future attacks.
Adopting a well-respected financial tool to demonstrate risk, used by analysts and energy policy experts alike, also boosted the credibility of the concept.
This problem was effectively rectified through experimental design and by heavily involving the sponsor stakeholders and subject matter experts throughout the study thus boosting the credibility and acceptance of its results.
One commentator, Stefano Folli, warned in La Repubblica on Saturday, however, that by picking a fight with Mrs Merkel, Mr Renzi risked boosting the credibility of the Germany-baiting, populist parties he was trying to sideline.
When the Palestinian people stop supporting terrorism and start to blame the Islamic militants for prompting Israel's responses, their protests will help boost the credibility and authority of Mr. Abbas.
Treasury secretary Timothy Geithner, then the head of the New York Fed, went as far as to email Bank of England Governor Mervyn King in 2008 with recommendations on how to boost the credibility of Libor.
Ending it would boost the credibility of Mr. de Klerk's program of change and could undercut Mr. Mandela's argument that not enough has occurred to justify dropping sanctions.
