Developed countries again attracting investors. Investors are gradually regaining their confidence in the world economy and are once again prepared to invest in the most mature economies, according to a survey by PricewaterhouseCoopers (PwC). According to PwC, 44% of the 1,344 CEOs interviewed in 68 countries are confident about the world economy improving over the next 12 months (as opposed to only 18% last year). Moreover, 39% of them say they are very confident about prospects for their...