Extending recent analyses using PISA data, the current study utilises the OECD's Survey of Adult Skills (PIAAC) to test the central claims of knowledge capital theory. PIAAC has a distinct advantage over PISA in that it more directly tests levels of purported 'knowledge capital' across an entire national workforce, rather than offering…

Ever since PISA studies have been constantly present in mainstream media, a close relation between academic achievement and economic outcome has been routinely presumed. This essay takes a closer look at some of the most common lines of argument, then goes on to outline a critique of the assumptions underlying the alleged causal relationship…