It's a question of commitment-on defence expenditure and taxation. Pakistani prime minister Nawaz Sharif may still defend his government against criticism for its failure to revive the country's battered economy, but senior officials in his finance ministry concede that the message has penetrated the top echelons of power. That is the reason for Sharif not being able to keep his earlier commitment made to the public that he will not compromise with the International Monetary Fund (imf).