Central banks have several reasons for extracting information from asset prices. Asset prices may embody more accurate and more up-to-date macroeconomic data than what is currently published or directly available to policy makers. Aberrations in some asset prices may indicate imperfections or...

New informationa and communication technology (ICT) makes consumers better informed about available products, product quality and prices, which mitigates problems of assymetry of information. The entry of firms is facilitated, competition and economic efficiency is boosted and the market powers...